63250970661 has 40 divisors (see below), whose sum is σ = 100077880320. Its totient is φ = 39673452672.

The previous prime is 63250970659. The next prime is 63250970749. The reversal of 63250970661 is 16607905236.

63250970661 is a `hidden beast` number, since 632 + 5 + 0 + 9 + 7 + 0 + 6 + 6 + 1 = 666.

It is not a de Polignac number, because 63250970661 - 2¹ = 63250970659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63250970161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5456770 + ... + 5468348.

It is an arithmetic number, because the mean of its divisors is an integer number (2501947008).

Almost surely, 2^63250970661 is an apocalyptic number.

It is an amenable number.

63250970661 is a deficient number, since it is larger than the sum of its proper divisors (36826909659).

63250970661 is a wasteful number, since it uses less digits than its factorization.

63250970661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15575 (or 15566 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 63250970661 in words is "sixty-three billion, two hundred fifty million, nine hundred seventy thousand, six hundred sixty-one".