315445234523009 has 2 divisors, whose sum is σ = 315445234523010. Its totient is φ = 315445234523008.

The previous prime is 315445234522997. The next prime is 315445234523033. The reversal of 315445234523009 is 900325432544513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315141492450625 + 303742072384 = 17752225^2 + 551128^2 .

It is a cyclic number.

It is not a de Polignac number, because 315445234523009 - 2⁴⁴ = 297853048478593 is a prime.

It is a super-2 number, since 2×315445234523009² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315445234522009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157722617261504 + 157722617261505.

It is an arithmetic number, because the mean of its divisors is an integer number (157722617261505).

Almost surely, 2^{315445234523009} is an apocalyptic number.

It is an amenable number.

315445234523009 is a deficient number, since it is larger than the sum of its proper divisors (1).

315445234523009 is an equidigital number, since it uses as much as digits as its factorization.

315445234523009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 315445234523009 in words is "three hundred fifteen trillion, four hundred forty-five billion, two hundred thirty-four million, five hundred twenty-three thousand, nine".