5372121653 has 4 divisors (see below), whose sum is σ = 5373530688. Its totient is φ = 5370712620.

The previous prime is 5372121607. The next prime is 5372121659. The reversal of 5372121653 is 3561212735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5372121653 - 2¹⁴ = 5372105269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5372121659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698783 + ... + 706428.

It is an arithmetic number, because the mean of its divisors is an integer number (1343382672).

Almost surely, 2^5372121653 is an apocalyptic number.

It is an amenable number.

5372121653 is a deficient number, since it is larger than the sum of its proper divisors (1409035).

5372121653 is a wasteful number, since it uses less digits than its factorization.

5372121653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409034.

The product of its digits is 37800, while the sum is 35.

The square root of 5372121653 is about 73294.7587007420. The cubic root of 5372121653 is about 1751.3862923376.

The spelling of 5372121653 in words is "five billion, three hundred seventy-two million, one hundred twenty-one thousand, six hundred fifty-three".