2490365731069 has 2 divisors, whose sum is σ = 2490365731070. Its totient is φ = 2490365731068.

The previous prime is 2490365731057. The next prime is 2490365731111. The reversal of 2490365731069 is 9601375630942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2399593079844 + 90772651225 = 1549062^2 + 301285^2 .

It is a cyclic number.

It is not a de Polignac number, because 2490365731069 - 2⁵ = 2490365731037 is a prime.

It is a super-2 number, since 2×2490365731069² (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 (2490365731019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245182865534 + 1245182865535.

It is an arithmetic number, because the mean of its divisors is an integer number (1245182865535).

Almost surely, 2^{2490365731069} is an apocalyptic number.

It is an amenable number.

2490365731069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490365731069 is an equidigital number, since it uses as much as digits as its factorization.

2490365731069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 2490365731069 in words is "two trillion, four hundred ninety billion, three hundred sixty-five million, seven hundred thirty-one thousand, sixty-nine".