63672342874013 has 4 divisors (see below), whose sum is σ = 65726289418368. Its totient is φ = 61618396329660.

The previous prime is 63672342874001. The next prime is 63672342874057. The reversal of 63672342874013 is 31047824327636.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63672342874013 - 2¹⁰ = 63672342872989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63672342874013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63672342874913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026973272131 + ... + 1026973272192.

It is an arithmetic number, because the mean of its divisors is an integer number (16431572354592).

Almost surely, 2^{63672342874013} is an apocalyptic number.

It is an amenable number.

63672342874013 is a deficient number, since it is larger than the sum of its proper divisors (2053946544355).

63672342874013 is a wasteful number, since it uses less digits than its factorization.

63672342874013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053946544354.

The product of its (nonzero) digits is 24385536, while the sum is 56.

The spelling of 63672342874013 in words is "sixty-three trillion, six hundred seventy-two billion, three hundred forty-two million, eight hundred seventy-four thousand, thirteen".