63674542623 has 8 divisors (see below), whose sum is σ = 89367779200. Its totient is φ = 40215500568.

The previous prime is 63674542573. The next prime is 63674542691. The reversal of 63674542623 is 32624547636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63674542623 - 2¹⁸ = 63674280479 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 (63674542693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558548563 + ... + 558548676.

It is an arithmetic number, because the mean of its divisors is an integer number (11170972400).

Almost surely, 2^63674542623 is an apocalyptic number.

63674542623 is a deficient number, since it is larger than the sum of its proper divisors (25693236577).

63674542623 is a wasteful number, since it uses less digits than its factorization.

63674542623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117097261.

The product of its digits is 4354560, while the sum is 48.

The spelling of 63674542623 in words is "sixty-three billion, six hundred seventy-four million, five hundred forty-two thousand, six hundred twenty-three".