6487310391 has 16 divisors (see below), whose sum is σ = 9109703040. Its totient is φ = 4095131040.

The previous prime is 6487310339. The next prime is 6487310441. The reversal of 6487310391 is 1930137846.

It is not a de Polignac number, because 6487310391 - 2²⁶ = 6420201527 is a prime.

It is a super-2 number, since 2×6487310391² = 84170392218353145762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6487310311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85761 + ... + 142581.

It is an arithmetic number, because the mean of its divisors is an integer number (569356440).

Almost surely, 2^6487310391 is an apocalyptic number.

6487310391 is a deficient number, since it is larger than the sum of its proper divisors (2622392649).

6487310391 is a wasteful number, since it uses less digits than its factorization.

6487310391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58846.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 6487310391 is about 80543.8414219237. The cubic root of 6487310391 is about 1865.0403229523.

The spelling of 6487310391 in words is "six billion, four hundred eighty-seven million, three hundred ten thousand, three hundred ninety-one".