6153733217421 has 12 divisors (see below), whose sum is σ = 8888753531580. Its totient is φ = 4102475993280.

The previous prime is 6153733217329. The next prime is 6153733217501. The reversal of 6153733217421 is 1247123373516.

6153733217421 is a `hidden beast` number, since 6 + 1 + 5 + 3 + 7 + 3 + 3 + 217 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1504513215396 + 4649220002025 = 1226586^2 + 2156205^2 .

It is not a de Polignac number, because 6153733217421 - 2¹³ = 6153733209229 is a prime.

It is a super-2 number, since 2×6153733217421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6153733917421) 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, 2655435 + ... + 4399863.

It is an arithmetic number, because the mean of its divisors is an integer number (740729460965).

Almost surely, 2^{6153733217421} is an apocalyptic number.

It is an amenable number.

6153733217421 is a deficient number, since it is larger than the sum of its proper divisors (2735020314159).

6153733217421 is a wasteful number, since it uses less digits than its factorization.

6153733217421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136396 (or 2136393 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 6153733217421 in words is "six trillion, one hundred fifty-three billion, seven hundred thirty-three million, two hundred seventeen thousand, four hundred twenty-one".