642115900058 has 8 divisors (see below), whose sum is σ = 963182660160. Its totient is φ = 321055013340.

The previous prime is 642115900039. The next prime is 642115900067. The reversal of 642115900058 is 850009511246.

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

It is a junction number, because it is equal to n+sod(n) for n = 642115899988 and 642115900024.

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, 1184018 + ... + 1638941.

It is an arithmetic number, because the mean of its divisors is an integer number (120397832520).

Almost surely, 2^642115900058 is an apocalyptic number.

642115900058 is a deficient number, since it is larger than the sum of its proper divisors (321066760102).

642115900058 is a wasteful number, since it uses less digits than its factorization.

642115900058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936692.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 642115900058 in words is "six hundred forty-two billion, one hundred fifteen million, nine hundred thousand, fifty-eight".