245616116413 has 2 divisors, whose sum is σ = 245616116414. Its totient is φ = 245616116412.

The previous prime is 245616116411. The next prime is 245616116423. The reversal of 245616116413 is 314611616542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136000163524 + 109615952889 = 368782^2 + 331083^2 .

It is a cyclic number.

It is not a de Polignac number, because 245616116413 - 2¹ = 245616116411 is a prime.

Together with 245616116411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245616116411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122808058206 + 122808058207.

It is an arithmetic number, because the mean of its divisors is an integer number (122808058207).

Almost surely, 2^245616116413 is an apocalyptic number.

It is an amenable number.

245616116413 is a deficient number, since it is larger than the sum of its proper divisors (1).

245616116413 is an equidigital number, since it uses as much as digits as its factorization.

245616116413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The spelling of 245616116413 in words is "two hundred forty-five billion, six hundred sixteen million, one hundred sixteen thousand, four hundred thirteen".