315853606358447 has 2 divisors, whose sum is σ = 315853606358448. Its totient is φ = 315853606358446.

The previous prime is 315853606358377. The next prime is 315853606358557. The reversal of 315853606358447 is 744853606358513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315853606358447 - 2⁴² = 311455559847343 is a prime.

It is a super-2 number, since 2×315853606358447² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315853606355447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157926803179223 + 157926803179224.

It is an arithmetic number, because the mean of its divisors is an integer number (157926803179224).

Almost surely, 2^{315853606358447} is an apocalyptic number.

315853606358447 is a deficient number, since it is larger than the sum of its proper divisors (1).

315853606358447 is an equidigital number, since it uses as much as digits as its factorization.

315853606358447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912000, while the sum is 68.

The spelling of 315853606358447 in words is "three hundred fifteen trillion, eight hundred fifty-three billion, six hundred six million, three hundred fifty-eight thousand, four hundred forty-seven".