Search a number
-
+
5389779823 is a prime number
BaseRepresentation
bin1010000010100000…
…11000001101101111
3111220121211011221221
411001100120031233
542014240423243
62250453404211
7250364241541
oct50120301557
914817734857
105389779823
11231643239a
121065039667
1367b83233c
14391b65691
1521829bbed
hex14141836f

5389779823 has 2 divisors, whose sum is σ = 5389779824. Its totient is φ = 5389779822.

The previous prime is 5389779821. The next prime is 5389779847. The reversal of 5389779823 is 3289779835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5389779823 - 21 = 5389779821 is a prime.

It is a super-2 number, since 2×53897798232 = 58099453080835822658, which contains 22 as substring.

Together with 5389779821, 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 (5389779821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2694889911 + 2694889912.

It is an arithmetic number, because the mean of its divisors is an integer number (2694889912).

Almost surely, 25389779823 is an apocalyptic number.

5389779823 is a deficient number, since it is larger than the sum of its proper divisors (1).

5389779823 is an equidigital number, since it uses as much as digits as its factorization.

5389779823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 61.

The square root of 5389779823 is about 73415.1198527933. The cubic root of 5389779823 is about 1753.3031299002.

The spelling of 5389779823 in words is "five billion, three hundred eighty-nine million, seven hundred seventy-nine thousand, eight hundred twenty-three".