5366436521 has 4 divisors (see below), whose sum is σ = 5599759872. Its totient is φ = 5133113172.

The previous prime is 5366436511. The next prime is 5366436527. The reversal of 5366436521 is 1256346635.

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 a de Polignac number, because none of the positive numbers 2^k-5366436521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5366436527) 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, 116661641 + ... + 116661686.

It is an arithmetic number, because the mean of its divisors is an integer number (1399939968).

Almost surely, 2^5366436521 is an apocalyptic number.

It is an amenable number.

5366436521 is a deficient number, since it is larger than the sum of its proper divisors (233323351).

5366436521 is a wasteful number, since it uses less digits than its factorization.

5366436521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233323350.

The product of its digits is 388800, while the sum is 41.

The square root of 5366436521 is about 73255.9657707139. The cubic root of 5366436521 is about 1750.7682636021.

The spelling of 5366436521 in words is "five billion, three hundred sixty-six million, four hundred thirty-six thousand, five hundred twenty-one".