2290950744581 has 2 divisors, whose sum is σ = 2290950744582. Its totient is φ = 2290950744580.

The previous prime is 2290950744559. The next prime is 2290950744637. The reversal of 2290950744581 is 1854470590922.

It is an a-pointer prime, because the next prime (2290950744637) can be obtained adding 2290950744581 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2101021260100 + 189929484481 = 1449490^2 + 435809^2 .

It is a cyclic number.

It is not a de Polignac number, because 2290950744581 - 2¹⁸ = 2290950482437 is a prime.

It is a super-2 number, since 2×2290950744581² (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 (2290950744521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145475372290 + 1145475372291.

It is an arithmetic number, because the mean of its divisors is an integer number (1145475372291).

Almost surely, 2^{2290950744581} is an apocalyptic number.

It is an amenable number.

2290950744581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290950744581 is an equidigital number, since it uses as much as digits as its factorization.

2290950744581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 2290950744581 in words is "two trillion, two hundred ninety billion, nine hundred fifty million, seven hundred forty-four thousand, five hundred eighty-one".