513419181856 has 24 divisors (see below), whose sum is σ = 1155193159680. Its totient is φ = 220036792128.

The previous prime is 513419181841. The next prime is 513419181859. The reversal of 513419181856 is 658181914315.

It is not an unprimeable number, because it can be changed into a prime (513419181859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146024736 + ... + 1146025183.

It is an arithmetic number, because the mean of its divisors is an integer number (48133048320).

Almost surely, 2^513419181856 is an apocalyptic number.

513419181856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

513419181856 is an abundant number, since it is smaller than the sum of its proper divisors (641773977824).

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

513419181856 is a wasteful number, since it uses less digits than its factorization.

513419181856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292049936 (or 2292049928 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 52.

The spelling of 513419181856 in words is "five hundred thirteen billion, four hundred nineteen million, one hundred eighty-one thousand, eight hundred fifty-six".