3913671951 has 32 divisors (see below), whose sum is σ = 6751365120. Its totient is φ = 2194182432.

The previous prime is 3913671917. The next prime is 3913671953. The reversal of 3913671951 is 1591763193.

It is a happy number.

It is not a de Polignac number, because 3913671951 - 2⁷ = 3913671823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3913671897 and 3913671906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913671953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185335 + ... + 205368.

It is an arithmetic number, because the mean of its divisors is an integer number (210980160).

Almost surely, 2^3913671951 is an apocalyptic number.

3913671951 is a deficient number, since it is larger than the sum of its proper divisors (2837693169).

3913671951 is a wasteful number, since it uses less digits than its factorization.

3913671951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390772 (or 390766 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 3913671951 is about 62559.3474310594. The cubic root of 3913671951 is about 1575.8981290228.

The spelling of 3913671951 in words is "three billion, nine hundred thirteen million, six hundred seventy-one thousand, nine hundred fifty-one".