315645683109 has 4 divisors (see below), whose sum is σ = 420860910816. Its totient is φ = 210430455404.

The previous prime is 315645683107. The next prime is 315645683113. The reversal of 315645683109 is 901386546513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315645683109 - 2¹ = 315645683107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315645683107) 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 in 3 ways as a sum of consecutive naturals, for example, 52607613849 + ... + 52607613854.

It is an arithmetic number, because the mean of its divisors is an integer number (105215227704).

Almost surely, 2^315645683109 is an apocalyptic number.

It is an amenable number.

315645683109 is a deficient number, since it is larger than the sum of its proper divisors (105215227707).

315645683109 is a wasteful number, since it uses less digits than its factorization.

315645683109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105215227706.

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 315645683109 in words is "three hundred fifteen billion, six hundred forty-five million, six hundred eighty-three thousand, one hundred nine".