513500453153986 has 32 divisors (see below), whose sum is σ = 819166349152512. Its totient is φ = 240578625319680.

The previous prime is 513500453153903. The next prime is 513500453154023. The reversal of 513500453153986 is 689351354005315.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 513500453153986.

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, 475792791 + ... + 476870821.

It is an arithmetic number, because the mean of its divisors is an integer number (25598948411016).

Almost surely, 2^{513500453153986} is an apocalyptic number.

513500453153986 is a deficient number, since it is larger than the sum of its proper divisors (305665895998526).

513500453153986 is a wasteful number, since it uses less digits than its factorization.

513500453153986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139994.

The product of its (nonzero) digits is 29160000, while the sum is 58.

The spelling of 513500453153986 in words is "five hundred thirteen trillion, five hundred billion, four hundred fifty-three million, one hundred fifty-three thousand, nine hundred eighty-six".