63671940932 has 12 divisors (see below), whose sum is σ = 111428286396. Its totient is φ = 31835287680.

The previous prime is 63671940931. The next prime is 63671940973. The reversal of 63671940932 is 23904917636.

63671940932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 61695604996 + 1976335936 = 248386^2 + 44456^2 .

It is not an unprimeable number, because it can be changed into a prime (63671940931) 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, 80048 + ... + 365720.

It is an arithmetic number, because the mean of its divisors is an integer number (9285690533).

Almost surely, 2^63671940932 is an apocalyptic number.

It is an amenable number.

63671940932 is a deficient number, since it is larger than the sum of its proper divisors (47756345464).

63671940932 is a wasteful number, since it uses less digits than its factorization.

63671940932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341398 (or 341396 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 63671940932 in words is "sixty-three billion, six hundred seventy-one million, nine hundred forty thousand, nine hundred thirty-two".