2409942991279 has 2 divisors, whose sum is σ = 2409942991280. Its totient is φ = 2409942991278.

The previous prime is 2409942991241. The next prime is 2409942991319. The reversal of 2409942991279 is 9721992499042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2409942991279 - 2²³ = 2409934602671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2409942991229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1204971495639 + 1204971495640.

It is an arithmetic number, because the mean of its divisors is an integer number (1204971495640).

Almost surely, 2^{2409942991279} is an apocalyptic number.

2409942991279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2409942991279 is an equidigital number, since it uses as much as digits as its factorization.

2409942991279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52907904, while the sum is 67.

The spelling of 2409942991279 in words is "two trillion, four hundred nine billion, nine hundred forty-two million, nine hundred ninety-one thousand, two hundred seventy-nine".