345246416891 has 2 divisors, whose sum is σ = 345246416892. Its totient is φ = 345246416890.

The previous prime is 345246416881. The next prime is 345246416899. The reversal of 345246416891 is 198614642543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345246416891 - 2¹⁴ = 345246400507 is a prime.

It is not a weakly prime, because it can be changed into another prime (345246416899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172623208445 + 172623208446.

It is an arithmetic number, because the mean of its divisors is an integer number (172623208446).

Almost surely, 2^345246416891 is an apocalyptic number.

345246416891 is a deficient number, since it is larger than the sum of its proper divisors (1).

345246416891 is an equidigital number, since it uses as much as digits as its factorization.

345246416891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 53.

The spelling of 345246416891 in words is "three hundred forty-five billion, two hundred forty-six million, four hundred sixteen thousand, eight hundred ninety-one".