2853920869 has 2 divisors, whose sum is σ = 2853920870. Its totient is φ = 2853920868.

The previous prime is 2853920857. The next prime is 2853920921. The reversal of 2853920869 is 9680293582.

It is a happy number.

It is an a-pointer prime, because the next prime (2853920921) can be obtained adding 2853920869 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2852628100 + 1292769 = 53410^2 + 1137^2 .

It is a cyclic number.

It is not a de Polignac number, because 2853920869 - 2⁵ = 2853920837 is a prime.

It is a super-3 number, since 3×2853920869³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2853920269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426960434 + 1426960435.

It is an arithmetic number, because the mean of its divisors is an integer number (1426960435).

Almost surely, 2^2853920869 is an apocalyptic number.

It is an amenable number.

2853920869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2853920869 is an equidigital number, since it uses as much as digits as its factorization.

2853920869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 2853920869 is about 53422.1009414643. The cubic root of 2853920869 is about 1418.4498174410.

The spelling of 2853920869 in words is "two billion, eight hundred fifty-three million, nine hundred twenty thousand, eight hundred sixty-nine".