2742423779 has 2 divisors, whose sum is σ = 2742423780. Its totient is φ = 2742423778.

The previous prime is 2742423709. The next prime is 2742423809. The reversal of 2742423779 is 9773242472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2742423779 - 2¹⁶ = 2742358243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2742423709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371211889 + 1371211890.

It is an arithmetic number, because the mean of its divisors is an integer number (1371211890).

Almost surely, 2^2742423779 is an apocalyptic number.

2742423779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742423779 is an equidigital number, since it uses as much as digits as its factorization.

2742423779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 47.

The square root of 2742423779 is about 52368.1561542890. The cubic root of 2742423779 is about 1399.7318838600.

The spelling of 2742423779 in words is "two billion, seven hundred forty-two million, four hundred twenty-three thousand, seven hundred seventy-nine".