493145755634 has 16 divisors (see below), whose sum is σ = 845402738688. Its totient is φ = 211345677312.

The previous prime is 493145755579. The next prime is 493145755657. The reversal of 493145755634 is 436557541394.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 493145755634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495154 + ... + 1794930.

It is an arithmetic number, because the mean of its divisors is an integer number (52837671168).

Almost surely, 2^493145755634 is an apocalyptic number.

493145755634 is a deficient number, since it is larger than the sum of its proper divisors (352256983054).

493145755634 is a wasteful number, since it uses less digits than its factorization.

493145755634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417289.

The product of its digits is 27216000, while the sum is 56.

The spelling of 493145755634 in words is "four hundred ninety-three billion, one hundred forty-five million, seven hundred fifty-five thousand, six hundred thirty-four".