642301846017 has 16 divisors (see below), whose sum is σ = 922434834048. Its totient is φ = 395196134400.

The previous prime is 642301846009. The next prime is 642301846031. The reversal of 642301846017 is 710648103246.

It is not a de Polignac number, because 642301846017 - 2³ = 642301846009 is a prime.

It is a super-2 number, since 2×642301846017² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 642301846017.

It is not an unprimeable number, because it can be changed into a prime (642301846217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1151109 + ... + 1615442.

It is an arithmetic number, because the mean of its divisors is an integer number (57652177128).

Almost surely, 2^642301846017 is an apocalyptic number.

It is an amenable number.

642301846017 is a deficient number, since it is larger than the sum of its proper divisors (280132988031).

642301846017 is a wasteful number, since it uses less digits than its factorization.

642301846017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772520.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 642301846017 in words is "six hundred forty-two billion, three hundred one million, eight hundred forty-six thousand, seventeen".