5399026561381 has 2 divisors, whose sum is σ = 5399026561382. Its totient is φ = 5399026561380.

The previous prime is 5399026561349. The next prime is 5399026561451. The reversal of 5399026561381 is 1831656209935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3200431550625 + 2198595010756 = 1788975^2 + 1482766^2 .

It is a cyclic number.

It is not a de Polignac number, because 5399026561381 - 2⁵ = 5399026561349 is a prime.

It is a super-2 number, since 2×5399026561381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5399026561081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2699513280690 + 2699513280691.

It is an arithmetic number, because the mean of its divisors is an integer number (2699513280691).

Almost surely, 2^{5399026561381} is an apocalyptic number.

It is an amenable number.

5399026561381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5399026561381 is an equidigital number, since it uses as much as digits as its factorization.

5399026561381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10497600, while the sum is 58.

The spelling of 5399026561381 in words is "five trillion, three hundred ninety-nine billion, twenty-six million, five hundred sixty-one thousand, three hundred eighty-one".