653404744252 has 24 divisors (see below), whose sum is σ = 1284956489376. Its totient is φ = 288459619008.

The previous prime is 653404744249. The next prime is 653404744283. The reversal of 653404744252 is 252447404356.

It is a super-2 number, since 2×653404744252² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273161323 + ... + 273163714.

It is an arithmetic number, because the mean of its divisors is an integer number (53539853724).

Almost surely, 2^653404744252 is an apocalyptic number.

It is an amenable number.

653404744252 is a deficient number, since it is larger than the sum of its proper divisors (631551745124).

653404744252 is a wasteful number, since it uses less digits than its factorization.

653404744252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546325077 (or 546325075 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 46.

The spelling of 653404744252 in words is "six hundred fifty-three billion, four hundred four million, seven hundred forty-four thousand, two hundred fifty-two".