2540083669 has 2 divisors, whose sum is σ = 2540083670. Its totient is φ = 2540083668.

The previous prime is 2540083607. The next prime is 2540083687. The reversal of 2540083669 is 9663800452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2035182769 + 504900900 = 45113^2 + 22470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2540083669 is a prime.

It is a super-2 number, since 2×2540083669² = 12904050091041003122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540083769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270041834 + 1270041835.

It is an arithmetic number, because the mean of its divisors is an integer number (1270041835).

Almost surely, 2^2540083669 is an apocalyptic number.

It is an amenable number.

2540083669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540083669 is an equidigital number, since it uses as much as digits as its factorization.

2540083669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 2540083669 is about 50399.2427423270. The cubic root of 2540083669 is about 1364.4239710595.

The spelling of 2540083669 in words is "two billion, five hundred forty million, eighty-three thousand, six hundred sixty-nine".