3900992279 has 2 divisors, whose sum is σ = 3900992280. Its totient is φ = 3900992278.

The previous prime is 3900992243. The next prime is 3900992299. The reversal of 3900992279 is 9722990093.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3900992279 - 2¹² = 3900988183 is a prime.

It is a super-2 number, since 2×3900992279² = 30435481521635227682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3900992299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950496139 + 1950496140.

It is an arithmetic number, because the mean of its divisors is an integer number (1950496140).

Almost surely, 2^3900992279 is an apocalyptic number.

3900992279 is a deficient number, since it is larger than the sum of its proper divisors (1).

3900992279 is an equidigital number, since it uses as much as digits as its factorization.

3900992279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 3900992279 is about 62457.9240689282. The cubic root of 3900992279 is about 1574.1944016866.

The spelling of 3900992279 in words is "three billion, nine hundred million, nine hundred ninety-two thousand, two hundred seventy-nine".