3979941951 has 16 divisors (see below), whose sum is σ = 5603869440. Its totient is φ = 2505553920.

The previous prime is 3979941943. The next prime is 3979941971. The reversal of 3979941951 is 1591499793.

It is not a de Polignac number, because 3979941951 - 2³ = 3979941943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 3979941891 and 3979941900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979941971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94530 + ... + 129983.

It is an arithmetic number, because the mean of its divisors is an integer number (350241840).

Almost surely, 2^3979941951 is an apocalyptic number.

3979941951 is a deficient number, since it is larger than the sum of its proper divisors (1623927489).

3979941951 is a wasteful number, since it uses less digits than its factorization.

3979941951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224846.

The product of its digits is 2755620, while the sum is 57.

The square root of 3979941951 is about 63086.7811114183. The cubic root of 3979941951 is about 1584.7432571502.

The spelling of 3979941951 in words is "three billion, nine hundred seventy-nine million, nine hundred forty-one thousand, nine hundred fifty-one".