642037193015 has 8 divisors (see below), whose sum is σ = 770450352720. Its totient is φ = 513625940352.

The previous prime is 642037193003. The next prime is 642037193051. The reversal of 642037193015 is 510391730246.

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 642037193015 - 2⁴ = 642037192999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415832 + ... + 1207058.

It is an arithmetic number, because the mean of its divisors is an integer number (96306294090).

Almost surely, 2^642037193015 is an apocalyptic number.

642037193015 is a deficient number, since it is larger than the sum of its proper divisors (128413159705).

642037193015 is a wasteful number, since it uses less digits than its factorization.

642037193015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953521.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 642037193015 in words is "six hundred forty-two billion, thirty-seven million, one hundred ninety-three thousand, fifteen".