653522771472 has 80 divisors (see below), whose sum is σ = 1755257364672. Its totient is φ = 209355632640.

The previous prime is 653522771353. The next prime is 653522771501. The reversal of 653522771472 is 274177225356.

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 15 ways as a sum of consecutive naturals, for example, 2346313 + ... + 2610024.

Almost surely, 2^653522771472 is an apocalyptic number.

It is an amenable number.

653522771472 is an abundant number, since it is smaller than the sum of its proper divisors (1101734593200).

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

653522771472 is a wasteful number, since it uses less digits than its factorization.

653522771472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956456 (or 4956450 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 51.

The spelling of 653522771472 in words is "six hundred fifty-three billion, five hundred twenty-two million, seven hundred seventy-one thousand, four hundred seventy-two".