653638157312 has 44 divisors (see below), whose sum is σ = 1493300583360. Its totient is φ = 280130635776.

The previous prime is 653638157311. The next prime is 653638157329. The reversal of 653638157312 is 213751836356.

It is not an unprimeable number, because it can be changed into a prime (653638157311) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 45587012 + ... + 45601347.

Almost surely, 2^653638157312 is an apocalyptic number.

It is an amenable number.

653638157312 is an abundant number, since it is smaller than the sum of its proper divisors (839662426048).

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

653638157312 is an equidigital number, since it uses as much as digits as its factorization.

653638157312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91188386 (or 91188368 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 50.

The spelling of 653638157312 in words is "six hundred fifty-three billion, six hundred thirty-eight million, one hundred fifty-seven thousand, three hundred twelve".