5365189621 has 12 divisors (see below), whose sum is σ = 5937635232. Its totient is φ = 4806914000.

The previous prime is 5365189537. The next prime is 5365189633. The reversal of 5365189621 is 1269815635.

It is not a de Polignac number, because 5365189621 - 2¹⁷ = 5365058549 is a prime.

It is a super-2 number, since 2×5365189621² = 57570519338572247282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5365129621) 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, 2045691 + ... + 2048311.

It is an arithmetic number, because the mean of its divisors is an integer number (494802936).

Almost surely, 2^5365189621 is an apocalyptic number.

It is an amenable number.

5365189621 is a deficient number, since it is larger than the sum of its proper divisors (572445611).

5365189621 is an frugal number, since it uses more digits than its factorization.

5365189621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324 (or 2703 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 5365189621 is about 73247.4547066313. The cubic root of 5365189621 is about 1750.6326551751.

The spelling of 5365189621 in words is "five billion, three hundred sixty-five million, one hundred eighty-nine thousand, six hundred twenty-one".