902668653 has 24 divisors (see below), whose sum is σ = 1324814400. Its totient is φ = 592139520.

The previous prime is 902668631. The next prime is 902668681. The reversal of 902668653 is 356866209.

It is a happy number.

It is not a de Polignac number, because 902668653 - 2⁵ = 902668621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 902668599 and 902668608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902668693) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 428998 + ... + 431096.

It is an arithmetic number, because the mean of its divisors is an integer number (55200600).

Almost surely, 2^902668653 is an apocalyptic number.

It is an amenable number.

902668653 is a deficient number, since it is larger than the sum of its proper divisors (422145747).

902668653 is a wasteful number, since it uses less digits than its factorization.

902668653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849 (or 2846 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 902668653 is about 30044.4446279175. Note that the first 3 decimals coincide. The cubic root of 902668653 is about 966.4427230083.

The spelling of 902668653 in words is "nine hundred two million, six hundred sixty-eight thousand, six hundred fifty-three".