245054936779 has 2 divisors, whose sum is σ = 245054936780. Its totient is φ = 245054936778.

The previous prime is 245054936773. The next prime is 245054936801. The reversal of 245054936779 is 977639450542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245054936779 - 2¹⁵ = 245054904011 is a prime.

It is not a weakly prime, because it can be changed into another prime (245054936773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122527468389 + 122527468390.

It is an arithmetic number, because the mean of its divisors is an integer number (122527468390).

Almost surely, 2^245054936779 is an apocalyptic number.

245054936779 is a deficient number, since it is larger than the sum of its proper divisors (1).

245054936779 is an equidigital number, since it uses as much as digits as its factorization.

245054936779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57153600, while the sum is 61.

The spelling of 245054936779 in words is "two hundred forty-five billion, fifty-four million, nine hundred thirty-six thousand, seven hundred seventy-nine".