4250023290581 has 2 divisors, whose sum is σ = 4250023290582. Its totient is φ = 4250023290580.

The previous prime is 4250023290571. The next prime is 4250023290607. The reversal of 4250023290581 is 1850923200524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3251562697681 + 998460592900 = 1803209^2 + 999230^2 .

It is a cyclic number.

It is not a de Polignac number, because 4250023290581 - 2³⁰ = 4248949548757 is a prime.

It is a super-2 number, since 2×4250023290581² (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 (4250023290551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125011645290 + 2125011645291.

It is an arithmetic number, because the mean of its divisors is an integer number (2125011645291).

Almost surely, 2^{4250023290581} is an apocalyptic number.

It is an amenable number.

4250023290581 is a deficient number, since it is larger than the sum of its proper divisors (1).

4250023290581 is an equidigital number, since it uses as much as digits as its factorization.

4250023290581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 4250023290581 in words is "four trillion, two hundred fifty billion, twenty-three million, two hundred ninety thousand, five hundred eighty-one".