5385369581 has 2 divisors, whose sum is σ = 5385369582. Its totient is φ = 5385369580.

The previous prime is 5385369541. The next prime is 5385369607. The reversal of 5385369581 is 1859635835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3541440100 + 1843929481 = 59510^2 + 42941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5385369581 is a prime.

It is a super-2 number, since 2×5385369581² = 58004411047920231122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5385369541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2692684790 + 2692684791.

It is an arithmetic number, because the mean of its divisors is an integer number (2692684791).

Almost surely, 2^5385369581 is an apocalyptic number.

It is an amenable number.

5385369581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5385369581 is an equidigital number, since it uses as much as digits as its factorization.

5385369581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888000, while the sum is 53.

The square root of 5385369581 is about 73385.0773727193. The cubic root of 5385369581 is about 1752.8247800493.

The spelling of 5385369581 in words is "five billion, three hundred eighty-five million, three hundred sixty-nine thousand, five hundred eighty-one".