345444580049 has 2 divisors, whose sum is σ = 345444580050. Its totient is φ = 345444580048.

The previous prime is 345444580043. The next prime is 345444580093. The reversal of 345444580049 is 940085444543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174757441600 + 170687138449 = 418040^2 + 413143^2 .

It is a cyclic number.

It is not a de Polignac number, because 345444580049 - 2¹² = 345444575953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345444579979 and 345444580006.

It is not a weakly prime, because it can be changed into another prime (345444580043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172722290024 + 172722290025.

It is an arithmetic number, because the mean of its divisors is an integer number (172722290025).

Almost surely, 2^345444580049 is an apocalyptic number.

It is an amenable number.

345444580049 is a deficient number, since it is larger than the sum of its proper divisors (1).

345444580049 is an equidigital number, since it uses as much as digits as its factorization.

345444580049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5529600, while the sum is 50.

The spelling of 345444580049 in words is "three hundred forty-five billion, four hundred forty-four million, five hundred eighty thousand, forty-nine".