542506363845 has 32 divisors (see below), whose sum is σ = 869540614272. Its totient is φ = 288826847232.

The previous prime is 542506363829. The next prime is 542506363921. The reversal of 542506363845 is 548363605245.

It is not a de Polignac number, because 542506363845 - 2⁴ = 542506363829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49344669 + ... + 49355661.

It is an arithmetic number, because the mean of its divisors is an integer number (27173144196).

Almost surely, 2^542506363845 is an apocalyptic number.

It is an amenable number.

542506363845 is a deficient number, since it is larger than the sum of its proper divisors (327034250427).

542506363845 is a wasteful number, since it uses less digits than its factorization.

542506363845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16501.

The product of its (nonzero) digits is 10368000, while the sum is 51.

The spelling of 542506363845 in words is "five hundred forty-two billion, five hundred six million, three hundred sixty-three thousand, eight hundred forty-five".