5372489621 has 2 divisors, whose sum is σ = 5372489622. Its totient is φ = 5372489620.

The previous prime is 5372489599. The next prime is 5372489641. The reversal of 5372489621 is 1269842735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4152384721 + 1220104900 = 64439^2 + 34930^2 .

It is a cyclic number.

It is not a de Polignac number, because 5372489621 - 2¹⁴ = 5372473237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5372489641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2686244810 + 2686244811.

It is an arithmetic number, because the mean of its divisors is an integer number (2686244811).

Almost surely, 2^5372489621 is an apocalyptic number.

It is an amenable number.

5372489621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5372489621 is an equidigital number, since it uses as much as digits as its factorization.

5372489621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 5372489621 is about 73297.2688508924. The cubic root of 5372489621 is about 1751.4262789847.

The spelling of 5372489621 in words is "five billion, three hundred seventy-two million, four hundred eighty-nine thousand, six hundred twenty-one".