5041697581 has 2 divisors, whose sum is σ = 5041697582. Its totient is φ = 5041697580.

The previous prime is 5041697569. The next prime is 5041697597. The reversal of 5041697581 is 1857961405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3724660900 + 1317036681 = 61030^2 + 36291^2 .

It is a cyclic number.

It is not a de Polignac number, because 5041697581 - 2²⁵ = 5008143149 is a prime.

It is a super-4 number, since 4×5041697581⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5041697081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520848790 + 2520848791.

It is an arithmetic number, because the mean of its divisors is an integer number (2520848791).

Almost surely, 2^5041697581 is an apocalyptic number.

It is an amenable number.

5041697581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5041697581 is an equidigital number, since it uses as much as digits as its factorization.

5041697581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 5041697581 is about 71004.9123723141. The cubic root of 5041697581 is about 1714.7162510837.

The spelling of 5041697581 in words is "five billion, forty-one million, six hundred ninety-seven thousand, five hundred eighty-one".