53734686663 has 32 divisors (see below), whose sum is σ = 82569723904. Its totient is φ = 30447682272.

The previous prime is 53734686637. The next prime is 53734686737. The reversal of 53734686663 is 36668643735.

It is not a de Polignac number, because 53734686663 - 2⁸ = 53734686407 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 (53734686613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6575406 + ... + 6583572.

It is an arithmetic number, because the mean of its divisors is an integer number (2580303872).

Almost surely, 2^53734686663 is an apocalyptic number.

53734686663 is a deficient number, since it is larger than the sum of its proper divisors (28835037241).

53734686663 is a wasteful number, since it uses less digits than its factorization.

53734686663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10771.

The product of its digits is 39191040, while the sum is 57.

The spelling of 53734686663 in words is "fifty-three billion, seven hundred thirty-four million, six hundred eighty-six thousand, six hundred sixty-three".