542044654563 has 8 divisors (see below), whose sum is σ = 739533792448. Its totient is φ = 352959309864.

The previous prime is 542044654517. The next prime is 542044654621. The reversal of 542044654563 is 365456440245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542044654563 - 2¹⁷ = 542044523491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542044654363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2100948145 + ... + 2100948402.

It is an arithmetic number, because the mean of its divisors is an integer number (92441724056).

Almost surely, 2^542044654563 is an apocalyptic number.

542044654563 is a deficient number, since it is larger than the sum of its proper divisors (197489137885).

542044654563 is a wasteful number, since it uses less digits than its factorization.

542044654563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201896593.

The product of its (nonzero) digits is 6912000, while the sum is 48.

The spelling of 542044654563 in words is "five hundred forty-two billion, forty-four million, six hundred fifty-four thousand, five hundred sixty-three".