642612211246013 has 16 divisors (see below), whose sum is σ = 682781085637056. Its totient is φ = 602706743036160.

The previous prime is 642612211246001. The next prime is 642612211246051. The reversal of 642612211246013 is 310642112216246.

It is a cyclic number.

It is not a de Polignac number, because 642612211246013 - 2³⁸ = 642337333339069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642612811246013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69840170 + ... + 78503972.

It is an arithmetic number, because the mean of its divisors is an integer number (42673817852316).

Almost surely, 2^{642612211246013} is an apocalyptic number.

It is an amenable number.

642612211246013 is a deficient number, since it is larger than the sum of its proper divisors (40168874391043).

642612211246013 is a wasteful number, since it uses less digits than its factorization.

642612211246013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8679004.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 642612211246013 in words is "six hundred forty-two trillion, six hundred twelve billion, two hundred eleven million, two hundred forty-six thousand, thirteen".