63305000686 has 8 divisors (see below), whose sum is σ = 94958687880. Its totient is φ = 31652104728.

The previous prime is 63305000683. The next prime is 63305000701. The reversal of 63305000686 is 68600050336.

63305000686 = T₂₀₅₄₃₃ + T₂₀₅₄₃₄ + T₂₀₅₄₃₅.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×63305000686² (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 (63305000683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80560 + ... + 364828.

It is an arithmetic number, because the mean of its divisors is an integer number (11869835985).

Almost surely, 2^63305000686 is an apocalyptic number.

63305000686 is the 205435-th centered triangular number.

63305000686 is a deficient number, since it is larger than the sum of its proper divisors (31653687194).

63305000686 is a wasteful number, since it uses less digits than its factorization.

63305000686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395618.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 63305000686 in words is "sixty-three billion, three hundred five million, six hundred eighty-six", and thus it is an aban number.