653139923472 has 160 divisors (see below), whose sum is σ = 1903694028800. Its totient is φ = 214367617152.

The previous prime is 653139923413. The next prime is 653139923477. The reversal of 653139923472 is 274329931356.

653139923472 is a `hidden beast` number, since 6 + 5 + 313 + 99 + 234 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (653139923477) 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, 12498903 + ... + 12551049.

It is an arithmetic number, because the mean of its divisors is an integer number (11898087680).

Almost surely, 2^653139923472 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 653139923472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951847014400).

653139923472 is an abundant number, since it is smaller than the sum of its proper divisors (1250554105328).

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

653139923472 is a wasteful number, since it uses less digits than its factorization.

653139923472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52610 (or 52598 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 54.

The spelling of 653139923472 in words is "six hundred fifty-three billion, one hundred thirty-nine million, nine hundred twenty-three thousand, four hundred seventy-two".