642037193013 has 8 divisors (see below), whose sum is σ = 856071807328. Its totient is φ = 428013687024.

The previous prime is 642037193003. The next prime is 642037193051. The reversal of 642037193013 is 310391730246.

642037193013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 642037193013 - 2⁴ = 642037192997 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 (642037193003) 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, 2641270 + ... + 2874087.

It is an arithmetic number, because the mean of its divisors is an integer number (107008975916).

Almost surely, 2^642037193013 is an apocalyptic number.

It is an amenable number.

642037193013 is a deficient number, since it is larger than the sum of its proper divisors (214034614315).

642037193013 is a wasteful number, since it uses less digits than its factorization.

642037193013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554163.

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 642037193013 in words is "six hundred forty-two billion, thirty-seven million, one hundred ninety-three thousand, thirteen".