315262464747421 has 8 divisors (see below), whose sum is σ = 326138416210080. Its totient is φ = 304386835417392.

The previous prime is 315262464747383. The next prime is 315262464747463. The reversal of 315262464747421 is 124747464262513.

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

It is a cyclic number.

It is not a de Polignac number, because 315262464747421 - 2²³ = 315262456358813 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 (315262264747421) 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, 78541215 + ... + 82457548.

It is an arithmetic number, because the mean of its divisors is an integer number (40767302026260).

Almost surely, 2^{315262464747421} is an apocalyptic number.

It is an amenable number.

315262464747421 is a deficient number, since it is larger than the sum of its proper divisors (10875951462659).

315262464747421 is a wasteful number, since it uses less digits than its factorization.

315262464747421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161066315.

The product of its digits is 54190080, while the sum is 58.

The spelling of 315262464747421 in words is "three hundred fifteen trillion, two hundred sixty-two billion, four hundred sixty-four million, seven hundred forty-seven thousand, four hundred twenty-one".