3979992951 has 12 divisors (see below), whose sum is σ = 6271504200. Its totient is φ = 2412116880.

The previous prime is 3979992943. The next prime is 3979992967. The reversal of 3979992951 is 1592999793.

It is not a de Polignac number, because 3979992951 - 2³ = 3979992943 is a prime.

It is a super-3 number, since 3×3979992951³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979992551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20100876 + ... + 20101073.

It is an arithmetic number, because the mean of its divisors is an integer number (522625350).

Almost surely, 2^3979992951 is an apocalyptic number.

3979992951 is a deficient number, since it is larger than the sum of its proper divisors (2291511249).

3979992951 is a wasteful number, since it uses less digits than its factorization.

3979992951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40201966 (or 40201963 counting only the distinct ones).

The product of its digits is 12400290, while the sum is 63.

The square root of 3979992951 is about 63087.1853152445. The cubic root of 3979992951 is about 1584.7500262238.

The spelling of 3979992951 in words is "three billion, nine hundred seventy-nine million, nine hundred ninety-two thousand, nine hundred fifty-one".