63682956613 has 24 divisors (see below), whose sum is σ = 67794236160. Its totient is φ = 59754905280.

The previous prime is 63682956599. The next prime is 63682956619. The reversal of 63682956613 is 31665928636.

It is not a de Polignac number, because 63682956613 - 2¹⁷ = 63682825541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63682956619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7963345 + ... + 7971337.

It is an arithmetic number, because the mean of its divisors is an integer number (2824759840).

Almost surely, 2^63682956613 is an apocalyptic number.

It is an amenable number.

63682956613 is a deficient number, since it is larger than the sum of its proper divisors (4111279547).

63682956613 is a wasteful number, since it uses less digits than its factorization.

63682956613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8249 (or 8206 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 55.

The spelling of 63682956613 in words is "sixty-three billion, six hundred eighty-two million, nine hundred fifty-six thousand, six hundred thirteen".