245222736439 has 2 divisors, whose sum is σ = 245222736440. Its totient is φ = 245222736438.

The previous prime is 245222736419. The next prime is 245222736463. The reversal of 245222736439 is 934637222542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245222736439 - 2¹⁷ = 245222605367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245222736392 and 245222736401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245222736419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122611368219 + 122611368220.

It is an arithmetic number, because the mean of its divisors is an integer number (122611368220).

Almost surely, 2^245222736439 is an apocalyptic number.

245222736439 is a deficient number, since it is larger than the sum of its proper divisors (1).

245222736439 is an equidigital number, since it uses as much as digits as its factorization.

245222736439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 49.

The spelling of 245222736439 in words is "two hundred forty-five billion, two hundred twenty-two million, seven hundred thirty-six thousand, four hundred thirty-nine".