5388175621 has 2 divisors, whose sum is σ = 5388175622. Its totient is φ = 5388175620.

The previous prime is 5388175589. The next prime is 5388175631. The reversal of 5388175621 is 1265718835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2990996100 + 2397179521 = 54690^2 + 48961^2 .

It is a cyclic number.

It is not a de Polignac number, because 5388175621 - 2⁵ = 5388175589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5388175631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2694087810 + 2694087811.

It is an arithmetic number, because the mean of its divisors is an integer number (2694087811).

Almost surely, 2^5388175621 is an apocalyptic number.

It is an amenable number.

5388175621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5388175621 is an equidigital number, since it uses as much as digits as its factorization.

5388175621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 46.

The square root of 5388175621 is about 73404.1934837513. The cubic root of 5388175621 is about 1753.1291628999.

The spelling of 5388175621 in words is "five billion, three hundred eighty-eight million, one hundred seventy-five thousand, six hundred twenty-one".