63940036970 has 16 divisors (see below), whose sum is σ = 116809859808. Its totient is φ = 25194282960.

The previous prime is 63940036967. The next prime is 63940036997. The reversal of 63940036970 is 7963004936.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47715776 + ... + 47717115.

It is an arithmetic number, because the mean of its divisors is an integer number (7300616238).

Almost surely, 2^63940036970 is an apocalyptic number.

63940036970 is a deficient number, since it is larger than the sum of its proper divisors (52869822838).

63940036970 is a wasteful number, since it uses less digits than its factorization.

63940036970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95432965.

The product of its (nonzero) digits is 734832, while the sum is 47.

The spelling of 63940036970 in words is "sixty-three billion, nine hundred forty million, thirty-six thousand, nine hundred seventy".