63746892457 has 16 divisors (see below), whose sum is σ = 67892400000. Its totient is φ = 59684511744.

The previous prime is 63746892397. The next prime is 63746892479. The reversal of 63746892457 is 75429864736.

It is a cyclic number.

It is not a de Polignac number, because 63746892457 - 2²⁷ = 63612674729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63746892395 and 63746892404.

It is not an unprimeable number, because it can be changed into a prime (63746892487) 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, 506793 + ... + 619945.

It is an arithmetic number, because the mean of its divisors is an integer number (4243275000).

Almost surely, 2^63746892457 is an apocalyptic number.

It is an amenable number.

63746892457 is a deficient number, since it is larger than the sum of its proper divisors (4145507543).

63746892457 is a wasteful number, since it uses less digits than its factorization.

63746892457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113520.

The product of its digits is 60963840, while the sum is 61.

The spelling of 63746892457 in words is "sixty-three billion, seven hundred forty-six million, eight hundred ninety-two thousand, four hundred fifty-seven".