653712732376 has 128 divisors (see below), whose sum is σ = 1443358310400. Its totient is φ = 274467600000.

The previous prime is 653712732373. The next prime is 653712732451. The reversal of 653712732376 is 673237217356.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653712732373) 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, 30043501 + ... + 30065251.

It is an arithmetic number, because the mean of its divisors is an integer number (11276236800).

Almost surely, 2^653712732376 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 653712732376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721679155200).

653712732376 is an abundant number, since it is smaller than the sum of its proper divisors (789645578024).

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

653712732376 is a wasteful number, since it uses less digits than its factorization.

653712732376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22301 (or 22297 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 52.

The spelling of 653712732376 in words is "six hundred fifty-three billion, seven hundred twelve million, seven hundred thirty-two thousand, three hundred seventy-six".