653908612 has 12 divisors (see below), whose sum is σ = 1307817280. Its totient is φ = 280246536.

The previous prime is 653908609. The next prime is 653908613. The reversal of 653908612 is 216809356.

653908612 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (653908613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11676912 + ... + 11676967.

Almost surely, 2^653908612 is an apocalyptic number.

It is an amenable number.

653908612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

653908612 is a wasteful number, since it uses less digits than its factorization.

653908612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23353890 (or 23353888 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 653908612 is about 25571.6368658715. The cubic root of 653908612 is about 867.9719405230.

The spelling of 653908612 in words is "six hundred fifty-three million, nine hundred eight thousand, six hundred twelve".