245415325364791 has 2 divisors, whose sum is σ = 245415325364792. Its totient is φ = 245415325364790.

The previous prime is 245415325364779. The next prime is 245415325364801. The reversal of 245415325364791 is 197463523514542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245415325364791 - 2⁷ = 245415325364663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245415325364491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122707662682395 + 122707662682396.

It is an arithmetic number, because the mean of its divisors is an integer number (122707662682396).

Almost surely, 2^{245415325364791} is an apocalyptic number.

245415325364791 is a deficient number, since it is larger than the sum of its proper divisors (1).

245415325364791 is an equidigital number, since it uses as much as digits as its factorization.

245415325364791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864000, while the sum is 61.

The spelling of 245415325364791 in words is "two hundred forty-five trillion, four hundred fifteen billion, three hundred twenty-five million, three hundred sixty-four thousand, seven hundred ninety-one".