2690240407 has 2 divisors, whose sum is σ = 2690240408. Its totient is φ = 2690240406.

The previous prime is 2690240401. The next prime is 2690240411. The reversal of 2690240407 is 7040420962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2690240407 - 2¹⁹ = 2689716119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2690240401) 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, 1345120203 + 1345120204.

It is an arithmetic number, because the mean of its divisors is an integer number (1345120204).

Almost surely, 2^2690240407 is an apocalyptic number.

2690240407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690240407 is an equidigital number, since it uses as much as digits as its factorization.

2690240407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2690240407 is about 51867.5274810743. The cubic root of 2690240407 is about 1390.7968460390.

The spelling of 2690240407 in words is "two billion, six hundred ninety million, two hundred forty thousand, four hundred seven".