540974839563 has 20 divisors (see below), whose sum is σ = 850655695560. Its totient is φ = 341668318752.

The previous prime is 540974839549. The next prime is 540974839567. The reversal of 540974839563 is 365938479045.

540974839563 is a `hidden beast` number, since 5 + 4 + 0 + 9 + 7 + 483 + 95 + 63 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-540974839563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540974839563.

It is not an unprimeable number, because it can be changed into a prime (540974839567) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 175753770 + ... + 175756847.

It is an arithmetic number, because the mean of its divisors is an integer number (42532784778).

Almost surely, 2^540974839563 is an apocalyptic number.

540974839563 is a deficient number, since it is larger than the sum of its proper divisors (309680855997).

540974839563 is a wasteful number, since it uses less digits than its factorization.

540974839563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351510648 (or 351510639 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 63.

The spelling of 540974839563 in words is "five hundred forty billion, nine hundred seventy-four million, eight hundred thirty-nine thousand, five hundred sixty-three".