5045140620581 has 2 divisors, whose sum is σ = 5045140620582. Its totient is φ = 5045140620580.

The previous prime is 5045140620523. The next prime is 5045140620593. The reversal of 5045140620581 is 1850260415405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3358298144356 + 1686842476225 = 1832566^2 + 1298785^2 .

It is a cyclic number.

It is not a de Polignac number, because 5045140620581 - 2²² = 5045136426277 is a prime.

It is a super-2 number, since 2×5045140620581² (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 (5045140628581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522570310290 + 2522570310291.

It is an arithmetic number, because the mean of its divisors is an integer number (2522570310291).

Almost surely, 2^{5045140620581} is an apocalyptic number.

It is an amenable number.

5045140620581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5045140620581 is an equidigital number, since it uses as much as digits as its factorization.

5045140620581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 5045140620581 in words is "five trillion, forty-five billion, one hundred forty million, six hundred twenty thousand, five hundred eighty-one".