912705653 has 4 divisors (see below), whose sum is σ = 912766080. Its totient is φ = 912645228.

The previous prime is 912705649. The next prime is 912705667. The reversal of 912705653 is 356507219.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 356507219 = 389 ⋅916471.

It is a cyclic number.

It is not a de Polignac number, because 912705653 - 2² = 912705649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912708653) 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, 14588 + ... + 45146.

It is an arithmetic number, because the mean of its divisors is an integer number (228191520).

Almost surely, 2^912705653 is an apocalyptic number.

It is an amenable number.

912705653 is a deficient number, since it is larger than the sum of its proper divisors (60427).

912705653 is a wasteful number, since it uses less digits than its factorization.

912705653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60426.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 912705653 is about 30211.0187348921. The cubic root of 912705653 is about 970.0115678643.

The spelling of 912705653 in words is "nine hundred twelve million, seven hundred five thousand, six hundred fifty-three".