63930218607 has 12 divisors (see below), whose sum is σ = 93381219360. Its totient is φ = 42141267168.

The previous prime is 63930218563. The next prime is 63930218623. The reversal of 63930218607 is 70681203936.

63930218607 is a `hidden beast` number, since 6 + 3 + 9 + 30 + 2 + 1 + 8 + 607 = 666.

It is not a de Polignac number, because 63930218607 - 2²⁴ = 63913441391 is a prime.

It is a super-2 number, since 2×63930218607² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63930218647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39905703 + ... + 39907304.

It is an arithmetic number, because the mean of its divisors is an integer number (7781768280).

Almost surely, 2^63930218607 is an apocalyptic number.

63930218607 is a deficient number, since it is larger than the sum of its proper divisors (29451000753).

63930218607 is a wasteful number, since it uses less digits than its factorization.

63930218607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79813102 (or 79813099 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 63930218607 in words is "sixty-three billion, nine hundred thirty million, two hundred eighteen thousand, six hundred seven".