493904555139 has 16 divisors (see below), whose sum is σ = 687188070144. Its totient is φ = 314946060000.

The previous prime is 493904555119. The next prime is 493904555143. The reversal of 493904555139 is 931555409394.

It is not a de Polignac number, because 493904555139 - 2²¹ = 493902457987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493904555119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4813804 + ... + 4915334.

It is an arithmetic number, because the mean of its divisors is an integer number (42949254384).

Almost surely, 2^493904555139 is an apocalyptic number.

493904555139 is a deficient number, since it is larger than the sum of its proper divisors (193283515005).

493904555139 is a wasteful number, since it uses less digits than its factorization.

493904555139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172058.

The product of its (nonzero) digits is 13122000, while the sum is 57.

The spelling of 493904555139 in words is "four hundred ninety-three billion, nine hundred four million, five hundred fifty-five thousand, one hundred thirty-nine".