539494383645 has 48 divisors (see below), whose sum is σ = 1093566494592. Its totient is φ = 240890509440.

The previous prime is 539494383607. The next prime is 539494383667. The reversal of 539494383645 is 546383494935.

539494383645 is a `hidden beast` number, since 5 + 3 + 9 + 494 + 3 + 83 + 64 + 5 = 666.

It is not a de Polignac number, because 539494383645 - 2¹¹ = 539494381597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19901346 + ... + 19928435.

It is an arithmetic number, because the mean of its divisors is an integer number (22782635304).

Almost surely, 2^539494383645 is an apocalyptic number.

It is an amenable number.

539494383645 is an abundant number, since it is smaller than the sum of its proper divisors (554072110947).

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

539494383645 is a wasteful number, since it uses less digits than its factorization.

539494383645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39829842 (or 39829839 counting only the distinct ones).

The product of its digits is 167961600, while the sum is 63.

The spelling of 539494383645 in words is "five hundred thirty-nine billion, four hundred ninety-four million, three hundred eighty-three thousand, six hundred forty-five".