5153621165633 has 4 divisors (see below), whose sum is σ = 5331332240340. Its totient is φ = 4975910090928.

The previous prime is 5153621165597. The next prime is 5153621165657. The reversal of 5153621165633 is 3365611263515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4342418319409 + 811202846224 = 2083847^2 + 900668^2 .

It is a cyclic number.

It is not a de Polignac number, because 5153621165633 - 2⁸ = 5153621165377 is a prime.

It is a super-2 number, since 2×5153621165633² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5153621165533) 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, 88855537310 + ... + 88855537367.

It is an arithmetic number, because the mean of its divisors is an integer number (1332833060085).

Almost surely, 2^{5153621165633} is an apocalyptic number.

It is an amenable number.

5153621165633 is a deficient number, since it is larger than the sum of its proper divisors (177711074707).

5153621165633 is a wasteful number, since it uses less digits than its factorization.

5153621165633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177711074706.

The product of its digits is 1458000, while the sum is 47.

The spelling of 5153621165633 in words is "five trillion, one hundred fifty-three billion, six hundred twenty-one million, one hundred sixty-five thousand, six hundred thirty-three".