653214522465 has 12 divisors (see below), whose sum is σ = 1132238505684. Its totient is φ = 348381078624.

The previous prime is 653214522451. The next prime is 653214522469. The reversal of 653214522465 is 564225412356.

653214522465 is a `hidden beast` number, since 6 + 5 + 321 + 45 + 224 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 360940213089 + 292274309376 = 600783^2 + 540624^2 .

It is not a de Polignac number, because 653214522465 - 2²⁰ = 653213473889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 14515878277 = 653214522465 / (6 + 5 + 3 + 2 + 1 + 4 + 5 + 2 + 2 + 4 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 653214522465.

It is not an unprimeable number, because it can be changed into a prime (653214522469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7257939094 + ... + 7257939183.

It is an arithmetic number, because the mean of its divisors is an integer number (94353208807).

Almost surely, 2^653214522465 is an apocalyptic number.

It is an amenable number.

653214522465 is a deficient number, since it is larger than the sum of its proper divisors (479023983219).

653214522465 is a wasteful number, since it uses less digits than its factorization.

653214522465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14515878288 (or 14515878285 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 653214522465 in words is "six hundred fifty-three billion, two hundred fourteen million, five hundred twenty-two thousand, four hundred sixty-five".