63792256321 has 4 divisors (see below), whose sum is σ = 63960574000. Its totient is φ = 63623938644.

The previous prime is 63792256313. The next prime is 63792256379. The reversal of 63792256321 is 12365229736.

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 63792256321 - 2³ = 63792256313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63792256301) 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, 84158271 + ... + 84159028.

It is an arithmetic number, because the mean of its divisors is an integer number (15990143500).

Almost surely, 2^63792256321 is an apocalyptic number.

It is an amenable number.

63792256321 is a deficient number, since it is larger than the sum of its proper divisors (168317679).

63792256321 is a wasteful number, since it uses less digits than its factorization.

63792256321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168317678.

The product of its digits is 816480, while the sum is 46.

The spelling of 63792256321 in words is "sixty-three billion, seven hundred ninety-two million, two hundred fifty-six thousand, three hundred twenty-one".