245366636143 has 2 divisors, whose sum is σ = 245366636144. Its totient is φ = 245366636142.

The previous prime is 245366636111. The next prime is 245366636209. The reversal of 245366636143 is 341636663542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245366636143 - 2⁵ = 245366636111 is a prime.

It is a super-2 number, since 2×245366636143² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245366637143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122683318071 + 122683318072.

It is an arithmetic number, because the mean of its divisors is an integer number (122683318072).

Almost surely, 2^245366636143 is an apocalyptic number.

245366636143 is a deficient number, since it is larger than the sum of its proper divisors (1).

245366636143 is an equidigital number, since it uses as much as digits as its factorization.

245366636143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 49.

The spelling of 245366636143 in words is "two hundred forty-five billion, three hundred sixty-six million, six hundred thirty-six thousand, one hundred forty-three".