542621707126245 has 16 divisors (see below), whose sum is σ = 964660812669120. Its totient is φ = 289398243800592.

The previous prime is 542621707126237. The next prime is 542621707126313.

542621707126245 is a `hidden beast` number, since 5 + 4 + 2 + 6 + 2 + 1 + 7 + 0 + 7 + 1 + 2 + 624 + 5 = 666.

542621707126245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 542621707126245 - 2³ = 542621707126237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542621707126191 and 542621707126200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2009710026259 + ... + 2009710026528.

It is an arithmetic number, because the mean of its divisors is an integer number (60291300791820).

Almost surely, 2^{542621707126245} is an apocalyptic number.

It is an amenable number.

542621707126245 is a deficient number, since it is larger than the sum of its proper divisors (422039105542875).

542621707126245 is a wasteful number, since it uses less digits than its factorization.

542621707126245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019420052801 (or 4019420052795 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 542621707126245 in words is "five hundred forty-two trillion, six hundred twenty-one billion, seven hundred seven million, one hundred twenty-six thousand, two hundred forty-five".