245303404939 has 2 divisors, whose sum is σ = 245303404940. Its totient is φ = 245303404938.

The previous prime is 245303404817. The next prime is 245303404963. The reversal of 245303404939 is 939404303542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245303404939 - 2³³ = 236713470347 is a prime.

It is not a weakly prime, because it can be changed into another prime (245303404999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122651702469 + 122651702470.

It is an arithmetic number, because the mean of its divisors is an integer number (122651702470).

Almost surely, 2^245303404939 is an apocalyptic number.

245303404939 is a deficient number, since it is larger than the sum of its proper divisors (1).

245303404939 is an equidigital number, since it uses as much as digits as its factorization.

245303404939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 245303404939 in words is "two hundred forty-five billion, three hundred three million, four hundred four thousand, nine hundred thirty-nine".