63670381232 has 10 divisors (see below), whose sum is σ = 123361363668. Its totient is φ = 31835190608.

The previous prime is 63670381211. The next prime is 63670381237. The reversal of 63670381232 is 23218307636.

63670381232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 63670381232.

It is not an unprimeable number, because it can be changed into a prime (63670381237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1989699398 + ... + 1989699429.

Almost surely, 2^63670381232 is an apocalyptic number.

It is an amenable number.

63670381232 is a deficient number, since it is larger than the sum of its proper divisors (59690982436).

63670381232 is a wasteful number, since it uses less digits than its factorization.

63670381232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979398835 (or 3979398829 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

Adding to 63670381232 its reverse (23218307636), we get a palindrome (86888688868).

The spelling of 63670381232 in words is "sixty-three billion, six hundred seventy million, three hundred eighty-one thousand, two hundred thirty-two".