63686286036572 has 12 divisors (see below), whose sum is σ = 111493105229520. Its totient is φ = 31831113113856.

The previous prime is 63686286036551. The next prime is 63686286036643. The reversal of 63686286036572 is 27563068268636.

It is a super-2 number, since 2×63686286036572² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3007464197 + ... + 3007485372.

It is an arithmetic number, because the mean of its divisors is an integer number (9291092102460).

Almost surely, 2^{63686286036572} is an apocalyptic number.

It is an amenable number.

63686286036572 is a deficient number, since it is larger than the sum of its proper divisors (47806819192948).

63686286036572 is a wasteful number, since it uses less digits than its factorization.

63686286036572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6014952220 (or 6014952218 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 68.

The spelling of 63686286036572 in words is "sixty-three trillion, six hundred eighty-six billion, two hundred eighty-six million, thirty-six thousand, five hundred seventy-two".