653731467712 has 56 divisors (see below), whose sum is σ = 1320948183600. Its totient is φ = 320908517376.

The previous prime is 653731467637. The next prime is 653731467749. The reversal of 653731467712 is 217764137356.

It is a self number, because there is not a number n which added to its sum of digits gives 653731467712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2806864 + ... + 3030832.

Almost surely, 2^653731467712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653731467712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660474091800).

653731467712 is an abundant number, since it is smaller than the sum of its proper divisors (667216715888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

653731467712 is a wasteful number, since it uses less digits than its factorization.

653731467712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224813 (or 224803 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 52.

The spelling of 653731467712 in words is "six hundred fifty-three billion, seven hundred thirty-one million, four hundred sixty-seven thousand, seven hundred twelve".