65650915253 has 24 divisors (see below), whose sum is σ = 85249628640. Its totient is φ = 49966852320.

The previous prime is 65650915249. The next prime is 65650915279. The reversal of 65650915253 is 35251905656.

It is not a de Polignac number, because 65650915253 - 2² = 65650915249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65650915198 and 65650915207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65650915453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1393118 + ... + 1439471.

It is an arithmetic number, because the mean of its divisors is an integer number (3552067860).

Almost surely, 2^65650915253 is an apocalyptic number.

It is an amenable number.

65650915253 is a deficient number, since it is larger than the sum of its proper divisors (19598713387).

65650915253 is a wasteful number, since it uses less digits than its factorization.

65650915253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832657 (or 2832650 counting only the distinct ones).

The product of its (nonzero) digits is 1215000, while the sum is 47.

The spelling of 65650915253 in words is "sixty-five billion, six hundred fifty million, nine hundred fifteen thousand, two hundred fifty-three".