2494342979 has 2 divisors, whose sum is σ = 2494342980. Its totient is φ = 2494342978.

The previous prime is 2494342973. The next prime is 2494342997. The reversal of 2494342979 is 9792434942.

Together with next prime (2494342997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2494342979 - 2⁸ = 2494342723 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2494342979.

It is not a weakly prime, because it can be changed into another prime (2494342973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247171489 + 1247171490.

It is an arithmetic number, because the mean of its divisors is an integer number (1247171490).

Almost surely, 2^2494342979 is an apocalyptic number.

2494342979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2494342979 is an equidigital number, since it uses as much as digits as its factorization.

2494342979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 53.

The square root of 2494342979 is about 49943.3977518550. The cubic root of 2494342979 is about 1356.1843340148.

The spelling of 2494342979 in words is "two billion, four hundred ninety-four million, three hundred forty-two thousand, nine hundred seventy-nine".