315042444061421 has 8 divisors (see below), whose sum is σ = 320391678314400. Its totient is φ = 309693527535600.

The previous prime is 315042444061409. The next prime is 315042444061427. The reversal of 315042444061421 is 124160444240513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315042444061421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315042444061427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77431430 + ... + 81398471.

It is an arithmetic number, because the mean of its divisors is an integer number (40048959789300).

Almost surely, 2^{315042444061421} is an apocalyptic number.

It is an amenable number.

315042444061421 is a deficient number, since it is larger than the sum of its proper divisors (5349234252979).

315042444061421 is a wasteful number, since it uses less digits than its factorization.

315042444061421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158863579.

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 315042444061421 in words is "three hundred fifteen trillion, forty-two billion, four hundred forty-four million, sixty-one thousand, four hundred twenty-one".