3931461479 has 4 divisors (see below), whose sum is σ = 4288867080. Its totient is φ = 3574055880.

The previous prime is 3931461467. The next prime is 3931461557. The reversal of 3931461479 is 9741641393.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3931461479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3931461419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178702784 + ... + 178702805.

It is an arithmetic number, because the mean of its divisors is an integer number (1072216770).

Almost surely, 2^3931461479 is an apocalyptic number.

3931461479 is a deficient number, since it is larger than the sum of its proper divisors (357405601).

3931461479 is a wasteful number, since it uses less digits than its factorization.

3931461479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357405600.

The product of its digits is 489888, while the sum is 47.

The square root of 3931461479 is about 62701.3674412289. The cubic root of 3931461479 is about 1578.2822595299.

The spelling of 3931461479 in words is "three billion, nine hundred thirty-one million, four hundred sixty-one thousand, four hundred seventy-nine".