2542409999 has 2 divisors, whose sum is σ = 2542410000. Its totient is φ = 2542409998.

The previous prime is 2542409957. The next prime is 2542410029. The reversal of 2542409999 is 9999042452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2542409999 - 2⁸ = 2542409743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2542409999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542409299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271204999 + 1271205000.

It is an arithmetic number, because the mean of its divisors is an integer number (1271205000).

Almost surely, 2^2542409999 is an apocalyptic number.

2542409999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542409999 is an equidigital number, since it uses as much as digits as its factorization.

2542409999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 2542409999 is about 50422.3164779247. The cubic root of 2542409999 is about 1364.8403788535.

The spelling of 2542409999 in words is "two billion, five hundred forty-two million, four hundred nine thousand, nine hundred ninety-nine".