493897518136 has 16 divisors (see below), whose sum is σ = 1010244923640. Its totient is φ = 224498871840.

The previous prime is 493897518073. The next prime is 493897518139. The reversal of 493897518136 is 631815798394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493897518139) 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, 2806235811 + ... + 2806235986.

Almost surely, 2^493897518136 is an apocalyptic number.

It is an amenable number.

493897518136 is an abundant number, since it is smaller than the sum of its proper divisors (516347405504).

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

493897518136 is a wasteful number, since it uses less digits than its factorization.

493897518136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612471814 (or 5612471810 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 64.

The spelling of 493897518136 in words is "four hundred ninety-three billion, eight hundred ninety-seven million, five hundred eighteen thousand, one hundred thirty-six".