245437522793 has 2 divisors, whose sum is σ = 245437522794. Its totient is φ = 245437522792.

The previous prime is 245437522787. The next prime is 245437522807. The reversal of 245437522793 is 397225734542.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195078572329 + 50358950464 = 441677^2 + 224408^2 .

It is a cyclic number.

It is not a de Polignac number, because 245437522793 - 2¹⁶ = 245437457257 is a prime.

It is not a weakly prime, because it can be changed into another prime (245437522193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122718761396 + 122718761397.

It is an arithmetic number, because the mean of its divisors is an integer number (122718761397).

Almost surely, 2^245437522793 is an apocalyptic number.

It is an amenable number.

245437522793 is a deficient number, since it is larger than the sum of its proper divisors (1).

245437522793 is an equidigital number, since it uses as much as digits as its factorization.

245437522793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12700800, while the sum is 53.

The spelling of 245437522793 in words is "two hundred forty-five billion, four hundred thirty-seven million, five hundred twenty-two thousand, seven hundred ninety-three".