2690541517 has 2 divisors, whose sum is σ = 2690541518. Its totient is φ = 2690541516.

The previous prime is 2690541479. The next prime is 2690541527. The reversal of 2690541517 is 7151450962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1491581641 + 1198959876 = 38621^2 + 34626^2 .

It is a cyclic number.

It is not a de Polignac number, because 2690541517 - 2⁷ = 2690541389 is a prime.

It is a super-2 number, since 2×2690541517² = 14478027309401322578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2690541517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2690541527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345270758 + 1345270759.

It is an arithmetic number, because the mean of its divisors is an integer number (1345270759).

Almost surely, 2^2690541517 is an apocalyptic number.

It is an amenable number.

2690541517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690541517 is an equidigital number, since it uses as much as digits as its factorization.

2690541517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 2690541517 is about 51870.4300830444. The cubic root of 2690541517 is about 1390.8487332500.

The spelling of 2690541517 in words is "two billion, six hundred ninety million, five hundred forty-one thousand, five hundred seventeen".