3902955869 has 2 divisors, whose sum is σ = 3902955870. Its totient is φ = 3902955868.

The previous prime is 3902955799. The next prime is 3902955871. The reversal of 3902955869 is 9685592093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3799119769 + 103836100 = 61637^2 + 10190^2 .

It is a cyclic number.

It is not a de Polignac number, because 3902955869 - 2¹⁶ = 3902890333 is a prime.

It is a super-2 number, since 2×3902955869² = 30466129030723090322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3902955871, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3902955899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951477934 + 1951477935.

It is an arithmetic number, because the mean of its divisors is an integer number (1951477935).

Almost surely, 2^3902955869 is an apocalyptic number.

It is an amenable number.

3902955869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3902955869 is an equidigital number, since it uses as much as digits as its factorization.

3902955869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5248800, while the sum is 56.

The square root of 3902955869 is about 62473.6413937910. The cubic root of 3902955869 is about 1574.4584844013.

The spelling of 3902955869 in words is "three billion, nine hundred two million, nine hundred fifty-five thousand, eight hundred sixty-nine".