642342323046 has 8 divisors (see below), whose sum is σ = 1284684646104. Its totient is φ = 214114107680.

The previous prime is 642342322997. The next prime is 642342323071. The reversal of 642342323046 is 640323243246.

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

642342323046 is an admirable number.

It is a super-2 number, since 2×642342323046² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 642342322995 and 642342323013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53528526915 + ... + 53528526926.

It is an arithmetic number, because the mean of its divisors is an integer number (160585580763).

Almost surely, 2^642342323046 is an apocalyptic number.

642342323046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

642342323046 is a wasteful number, since it uses less digits than its factorization.

642342323046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107057053846.

The product of its (nonzero) digits is 497664, while the sum is 39.

The spelling of 642342323046 in words is "six hundred forty-two billion, three hundred forty-two million, three hundred twenty-three thousand, forty-six".