2999142780479 has 2 divisors, whose sum is σ = 2999142780480. Its totient is φ = 2999142780478.

The previous prime is 2999142780467. The next prime is 2999142780481. The reversal of 2999142780479 is 9740872419992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2999142780479 - 2²⁸ = 2998874345023 is a prime.

It is a Sophie Germain prime.

Together with 2999142780481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2999142780409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499571390239 + 1499571390240.

It is an arithmetic number, because the mean of its divisors is an integer number (1499571390240).

Almost surely, 2^{2999142780479} is an apocalyptic number.

2999142780479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2999142780479 is an equidigital number, since it uses as much as digits as its factorization.

2999142780479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164602368, while the sum is 71.

The spelling of 2999142780479 in words is "two trillion, nine hundred ninety-nine billion, one hundred forty-two million, seven hundred eighty thousand, four hundred seventy-nine".