542765786563 has 64 divisors (see below), whose sum is σ = 754724275200. Its totient is φ = 384571756800.

The previous prime is 542765786551. The next prime is 542765786567. The reversal of 542765786563 is 365687567245.

It is not a de Polignac number, because 542765786563 - 2⁵ = 542765786531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542765786495 and 542765786504.

It is not an unprimeable number, because it can be changed into a prime (542765786567) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3203703 + ... + 3368863.

It is an arithmetic number, because the mean of its divisors is an integer number (11792566800).

Almost surely, 2^542765786563 is an apocalyptic number.

542765786563 is a deficient number, since it is larger than the sum of its proper divisors (211958488637).

542765786563 is a wasteful number, since it uses less digits than its factorization.

542765786563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165273 (or 165259 counting only the distinct ones).

The product of its digits is 254016000, while the sum is 64.

The spelling of 542765786563 in words is "five hundred forty-two billion, seven hundred sixty-five million, seven hundred eighty-six thousand, five hundred sixty-three".