2490109669 has 2 divisors, whose sum is σ = 2490109670. Its totient is φ = 2490109668.

The previous prime is 2490109667. The next prime is 2490109673. The reversal of 2490109669 is 9669010942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2351765025 + 138344644 = 48495^2 + 11762^2 .

It is a cyclic number.

It is not a de Polignac number, because 2490109669 - 2¹ = 2490109667 is a prime.

It is a super-2 number, since 2×2490109669² = 12401292327294579122, which contains 22 as substring.

Together with 2490109667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2490109667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245054834 + 1245054835.

It is an arithmetic number, because the mean of its divisors is an integer number (1245054835).

Almost surely, 2^2490109669 is an apocalyptic number.

It is an amenable number.

2490109669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490109669 is an equidigital number, since it uses as much as digits as its factorization.

2490109669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 2490109669 is about 49900.9986773812. The cubic root of 2490109669 is about 1355.4166769994.

The spelling of 2490109669 in words is "two billion, four hundred ninety million, one hundred nine thousand, six hundred sixty-nine".