642453160541 has 8 divisors (see below), whose sum is σ = 676354272480. Its totient is φ = 608560827408.

The previous prime is 642453160529. The next prime is 642453160543. The reversal of 642453160541 is 145061354246.

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

It is not a de Polignac number, because 642453160541 - 2²⁶ = 642386051677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642453160543) 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, 2044211 + ... + 2337456.

It is an arithmetic number, because the mean of its divisors is an integer number (84544284060).

Almost surely, 2^642453160541 is an apocalyptic number.

It is an amenable number.

642453160541 is a deficient number, since it is larger than the sum of its proper divisors (33901111939).

642453160541 is a wasteful number, since it uses less digits than its factorization.

642453160541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389403.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 642453160541 in words is "six hundred forty-two billion, four hundred fifty-three million, one hundred sixty thousand, five hundred forty-one".