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2853623989 is a prime number
BaseRepresentation
bin1010101000010110…
…1101100010110101
321100212121010012101
42222011231202311
521321011431424
61151055022101
7130500255316
oct25205554265
97325533171
102853623989
111234883a37
1267780a931
13366284008
141d0dc260d
1511a7cd344
hexaa16d8b5

2853623989 has 2 divisors, whose sum is σ = 2853623990. Its totient is φ = 2853623988.

The previous prime is 2853623987. The next prime is 2853624019. The reversal of 2853623989 is 9893263582.

2853623989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2505503025 + 348120964 = 50055^2 + 18658^2 .

It is a cyclic number.

It is not a de Polignac number, because 2853623989 - 21 = 2853623987 is a prime.

Together with 2853623987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2853623987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426811994 + 1426811995.

It is an arithmetic number, because the mean of its divisors is an integer number (1426811995).

Almost surely, 22853623989 is an apocalyptic number.

It is an amenable number.

2853623989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2853623989 is an equidigital number, since it uses as much as digits as its factorization.

2853623989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 55.

The square root of 2853623989 is about 53419.3222439222. The cubic root of 2853623989 is about 1418.4006308419.

It can be divided in two parts, 28536 and 23989, that added together give a palindrome (52525).

The spelling of 2853623989 in words is "two billion, eight hundred fifty-three million, six hundred twenty-three thousand, nine hundred eighty-nine".