5949364107581 has 2 divisors, whose sum is σ = 5949364107582. Its totient is φ = 5949364107580.

The previous prime is 5949364107481. The next prime is 5949364107587. The reversal of 5949364107581 is 1857014639495.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4666334428900 + 1283029678681 = 2160170^2 + 1132709^2 .

It is a cyclic number.

It is not a de Polignac number, because 5949364107581 - 2¹⁴ = 5949364091197 is a prime.

It is a super-2 number, since 2×5949364107581² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5949364107587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2974682053790 + 2974682053791.

It is an arithmetic number, because the mean of its divisors is an integer number (2974682053791).

Almost surely, 2^{5949364107581} is an apocalyptic number.

It is an amenable number.

5949364107581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5949364107581 is an equidigital number, since it uses as much as digits as its factorization.

5949364107581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 5949364107581 in words is "five trillion, nine hundred forty-nine billion, three hundred sixty-four million, one hundred seven thousand, five hundred eighty-one".