312544299479 has 2 divisors, whose sum is σ = 312544299480. Its totient is φ = 312544299478.

The previous prime is 312544299439. The next prime is 312544299491. The reversal of 312544299479 is 974992445213.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312544299479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312544299439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156272149739 + 156272149740.

It is an arithmetic number, because the mean of its divisors is an integer number (156272149740).

Almost surely, 2^312544299479 is an apocalyptic number.

312544299479 is a deficient number, since it is larger than the sum of its proper divisors (1).

312544299479 is an equidigital number, since it uses as much as digits as its factorization.

312544299479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 59.

The spelling of 312544299479 in words is "three hundred twelve billion, five hundred forty-four million, two hundred ninety-nine thousand, four hundred seventy-nine".