63401054572799 has 4 divisors (see below), whose sum is σ = 65587297833960. Its totient is φ = 61214811311640.

The previous prime is 63401054572777. The next prime is 63401054572837. The reversal of 63401054572799 is 99727545010436.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63401054572799 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 (63401054572399) 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, 1093121630537 + ... + 1093121630594.

It is an arithmetic number, because the mean of its divisors is an integer number (16396824458490).

Almost surely, 2^{63401054572799} is an apocalyptic number.

63401054572799 is a deficient number, since it is larger than the sum of its proper divisors (2186243261161).

63401054572799 is a wasteful number, since it uses less digits than its factorization.

63401054572799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186243261160.

The product of its (nonzero) digits is 57153600, while the sum is 62.

The spelling of 63401054572799 in words is "sixty-three trillion, four hundred one billion, fifty-four million, five hundred seventy-two thousand, seven hundred ninety-nine".