345446457799 has 2 divisors, whose sum is σ = 345446457800. Its totient is φ = 345446457798.

The previous prime is 345446457749. The next prime is 345446457869. The reversal of 345446457799 is 997754644543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345446457799 - 2²⁷ = 345312240071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345446457749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172723228899 + 172723228900.

It is an arithmetic number, because the mean of its divisors is an integer number (172723228900).

Almost surely, 2^345446457799 is an apocalyptic number.

345446457799 is a deficient number, since it is larger than the sum of its proper divisors (1).

345446457799 is an equidigital number, since it uses as much as digits as its factorization.

345446457799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 457228800, while the sum is 67.

The spelling of 345446457799 in words is "three hundred forty-five billion, four hundred forty-six million, four hundred fifty-seven thousand, seven hundred ninety-nine".