345404651797 has 2 divisors, whose sum is σ = 345404651798. Its totient is φ = 345404651796.

The previous prime is 345404651791. The next prime is 345404651827. The reversal of 345404651797 is 797156404543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277575137316 + 67829514481 = 526854^2 + 260441^2 .

It is a cyclic number.

It is not a de Polignac number, because 345404651797 - 2³ = 345404651789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345404651791) 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, 172702325898 + 172702325899.

It is an arithmetic number, because the mean of its divisors is an integer number (172702325899).

Almost surely, 2^345404651797 is an apocalyptic number.

It is an amenable number.

345404651797 is a deficient number, since it is larger than the sum of its proper divisors (1).

345404651797 is an equidigital number, since it uses as much as digits as its factorization.

345404651797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 345404651797 in words is "three hundred forty-five billion, four hundred four million, six hundred fifty-one thousand, seven hundred ninety-seven".