63937497423 has 16 divisors (see below), whose sum is σ = 86732352000. Its totient is φ = 41884444800.

The previous prime is 63937497419. The next prime is 63937497431. The reversal of 63937497423 is 32479473936.

It is not a de Polignac number, because 63937497423 - 2² = 63937497419 is a prime.

It is a super-2 number, since 2×63937497423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63937497473) 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, 339303 + ... + 492951.

It is an arithmetic number, because the mean of its divisors is an integer number (5420772000).

Almost surely, 2^63937497423 is an apocalyptic number.

63937497423 is a deficient number, since it is larger than the sum of its proper divisors (22794854577).

63937497423 is a wasteful number, since it uses less digits than its factorization.

63937497423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156062.

The product of its digits is 20575296, while the sum is 57.

The spelling of 63937497423 in words is "sixty-three billion, nine hundred thirty-seven million, four hundred ninety-seven thousand, four hundred twenty-three".