63746646234 has 32 divisors (see below), whose sum is σ = 131470110720. Its totient is φ = 20594858352.

The previous prime is 63746646193. The next prime is 63746646239. The reversal of 63746646234 is 43264664736.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63746646239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068294 + ... + 1126385.

It is an arithmetic number, because the mean of its divisors is an integer number (4108440960).

Almost surely, 2^63746646234 is an apocalyptic number.

63746646234 is an abundant number, since it is smaller than the sum of its proper divisors (67723464486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63746646234 is a wasteful number, since it uses less digits than its factorization.

63746646234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194834.

The product of its digits is 10450944, while the sum is 51.

The spelling of 63746646234 in words is "sixty-three billion, seven hundred forty-six million, six hundred forty-six thousand, two hundred thirty-four".