6515932494 has 32 divisors (see below), whose sum is σ = 13092665760. Its totient is φ = 2161861632.

The previous prime is 6515932469. The next prime is 6515932537. The reversal of 6515932494 is 4942395156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2473402 + ... + 2476034.

It is an arithmetic number, because the mean of its divisors is an integer number (409145805).

Almost surely, 2^6515932494 is an apocalyptic number.

6515932494 is an abundant number, since it is smaller than the sum of its proper divisors (6576733266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6515932494 is a wasteful number, since it uses less digits than its factorization.

6515932494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404.

The product of its digits is 1166400, while the sum is 48.

The square root of 6515932494 is about 80721.3261412373. The cubic root of 6515932494 is about 1867.7791601806.

The spelling of 6515932494 in words is "six billion, five hundred fifteen million, nine hundred thirty-two thousand, four hundred ninety-four".