245328403471715 has 4 divisors (see below), whose sum is σ = 294394084166064. Its totient is φ = 196262722777368.

The previous prime is 245328403471693. The next prime is 245328403471733. The reversal of 245328403471715 is 517174304823542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245328403471715 - 2⁶ = 245328403471651 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24532840347167 + ... + 24532840347176.

It is an arithmetic number, because the mean of its divisors is an integer number (73598521041516).

Almost surely, 2^{245328403471715} is an apocalyptic number.

245328403471715 is a deficient number, since it is larger than the sum of its proper divisors (49065680694349).

245328403471715 is an equidigital number, since it uses as much as digits as its factorization.

245328403471715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49065680694348.

The product of its (nonzero) digits is 22579200, while the sum is 56.

The spelling of 245328403471715 in words is "two hundred forty-five trillion, three hundred twenty-eight billion, four hundred three million, four hundred seventy-one thousand, seven hundred fifteen".