642466364141 has 8 divisors (see below), whose sum is σ = 734253763584. Its totient is φ = 550680587280.

The previous prime is 642466364027. The next prime is 642466364203. The reversal of 642466364141 is 141463664246.

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

It is a cyclic number.

It is not a de Polignac number, because 642466364141 - 2³⁴ = 625286494957 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 (642466364741) 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, 613556 + ... + 1288946.

It is an arithmetic number, because the mean of its divisors is an integer number (91781720448).

Almost surely, 2^642466364141 is an apocalyptic number.

It is an amenable number.

642466364141 is a deficient number, since it is larger than the sum of its proper divisors (91787399443).

642466364141 is a wasteful number, since it uses less digits than its factorization.

642466364141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811291.

The product of its digits is 1990656, while the sum is 47.

The spelling of 642466364141 in words is "six hundred forty-two billion, four hundred sixty-six million, three hundred sixty-four thousand, one hundred forty-one".