2312744779 has 2 divisors, whose sum is σ = 2312744780. Its totient is φ = 2312744778.

The previous prime is 2312744647. The next prime is 2312744807. The reversal of 2312744779 is 9774472132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312744779 is a prime.

It is not a weakly prime, because it can be changed into another prime (2312744279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156372389 + 1156372390.

It is an arithmetic number, because the mean of its divisors is an integer number (1156372390).

Almost surely, 2^2312744779 is an apocalyptic number.

2312744779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312744779 is an equidigital number, since it uses as much as digits as its factorization.

2312744779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 46.

The square root of 2312744779 is about 48091.0051776837. The cubic root of 2312744779 is about 1322.4397751313.

The spelling of 2312744779 in words is "two billion, three hundred twelve million, seven hundred forty-four thousand, seven hundred seventy-nine".