315423674749 has 2 divisors, whose sum is σ = 315423674750. Its totient is φ = 315423674748.

The previous prime is 315423674723. The next prime is 315423674759. The reversal of 315423674749 is 947476324513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276833822500 + 38589852249 = 526150^2 + 196443^2 .

It is a cyclic number.

It is not a de Polignac number, because 315423674749 - 2¹⁹ = 315423150461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315423674749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315423674759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157711837374 + 157711837375.

It is an arithmetic number, because the mean of its divisors is an integer number (157711837375).

Almost surely, 2^315423674749 is an apocalyptic number.

It is an amenable number.

315423674749 is a deficient number, since it is larger than the sum of its proper divisors (1).

315423674749 is an equidigital number, since it uses as much as digits as its factorization.

315423674749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 55.

The spelling of 315423674749 in words is "three hundred fifteen billion, four hundred twenty-three million, six hundred seventy-four thousand, seven hundred forty-nine".