245331389698793 has 2 divisors, whose sum is σ = 245331389698794. Its totient is φ = 245331389698792.

The previous prime is 245331389698777. The next prime is 245331389698831. The reversal of 245331389698793 is 397896983133542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238748326899289 + 6583062799504 = 15451483^2 + 2565748^2 .

It is a cyclic number.

It is not a de Polignac number, because 245331389698793 - 2⁴ = 245331389698777 is a prime.

It is a super-2 number, since 2×245331389698793² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245331389698693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122665694849396 + 122665694849397.

It is an arithmetic number, because the mean of its divisors is an integer number (122665694849397).

Almost surely, 2^{245331389698793} is an apocalyptic number.

It is an amenable number.

245331389698793 is a deficient number, since it is larger than the sum of its proper divisors (1).

245331389698793 is an equidigital number, since it uses as much as digits as its factorization.

245331389698793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6348948480, while the sum is 80.

The spelling of 245331389698793 in words is "two hundred forty-five trillion, three hundred thirty-one billion, three hundred eighty-nine million, six hundred ninety-eight thousand, seven hundred ninety-three".