642430456060364 has 48 divisors (see below), whose sum is σ = 1131529618212000. Its totient is φ = 319140643700736.

The previous prime is 642430456060339. The next prime is 642430456060391. The reversal of 642430456060364 is 463060654034246.

It is a super-2 number, since 2×642430456060364² (a number of 30 digits) contains 22 as substring.

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, 6000772724 + ... + 6000879780.

It is an arithmetic number, because the mean of its divisors is an integer number (23573533712750).

Almost surely, 2^{642430456060364} is an apocalyptic number.

It is an amenable number.

642430456060364 is a deficient number, since it is larger than the sum of its proper divisors (489099162151636).

642430456060364 is a wasteful number, since it uses less digits than its factorization.

642430456060364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117162 (or 117160 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 53.

The spelling of 642430456060364 in words is "six hundred forty-two trillion, four hundred thirty billion, four hundred fifty-six million, sixty thousand, three hundred sixty-four".