344407857049 has 2 divisors, whose sum is σ = 344407857050. Its totient is φ = 344407857048.

The previous prime is 344407856987. The next prime is 344407857071. The reversal of 344407857049 is 940758704443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230430721024 + 113977136025 = 480032^2 + 337605^2 .

It is a cyclic number.

It is not a de Polignac number, because 344407857049 - 2⁹ = 344407856537 is a prime.

It is not a weakly prime, because it can be changed into another prime (344407857149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172203928524 + 172203928525.

It is an arithmetic number, because the mean of its divisors is an integer number (172203928525).

Almost surely, 2^344407857049 is an apocalyptic number.

It is an amenable number.

344407857049 is a deficient number, since it is larger than the sum of its proper divisors (1).

344407857049 is an equidigital number, since it uses as much as digits as its factorization.

344407857049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 344407857049 in words is "three hundred forty-four billion, four hundred seven million, eight hundred fifty-seven thousand, forty-nine".