5356323621 has 24 divisors (see below), whose sum is σ = 8442592704. Its totient is φ = 3245362560.

The previous prime is 5356323619. The next prime is 5356323629. The reversal of 5356323621 is 1263236535.

5356323621 is a `hidden beast` number, since 5 + 3 + 5 + 6 + 3 + 23 + 621 = 666.

It is not a de Polignac number, because 5356323621 - 2¹ = 5356323619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5356323629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 615120 + ... + 623766.

It is an arithmetic number, because the mean of its divisors is an integer number (351774696).

Almost surely, 2^5356323621 is an apocalyptic number.

It is an amenable number.

5356323621 is a deficient number, since it is larger than the sum of its proper divisors (3086269083).

5356323621 is a wasteful number, since it uses less digits than its factorization.

5356323621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14921 (or 14918 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 5356323621 is about 73186.9088088847. The cubic root of 5356323621 is about 1749.6678140639.

The spelling of 5356323621 in words is "five billion, three hundred fifty-six million, three hundred twenty-three thousand, six hundred twenty-one".