642003282858 has 32 divisors (see below), whose sum is σ = 1514772725760. Its totient is φ = 177512428080.

The previous prime is 642003282821. The next prime is 642003282863. The reversal of 642003282858 is 858282300246.

642003282858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 246543738 + ... + 246546341.

It is an arithmetic number, because the mean of its divisors is an integer number (47336647680).

Almost surely, 2^642003282858 is an apocalyptic number.

642003282858 is an abundant number, since it is smaller than the sum of its proper divisors (872769442902).

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

642003282858 is a wasteful number, since it uses less digits than its factorization.

642003282858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493090122.

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 642003282858 in words is "six hundred forty-two billion, three million, two hundred eighty-two thousand, eight hundred fifty-eight".