345606055849 has 2 divisors, whose sum is σ = 345606055850. Its totient is φ = 345606055848.

The previous prime is 345606055841. The next prime is 345606055853. The reversal of 345606055849 is 948550606543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331845123600 + 13760932249 = 576060^2 + 117307^2 .

It is a cyclic number.

It is not a de Polignac number, because 345606055849 - 2³ = 345606055841 is a prime.

It is a super-2 number, since 2×345606055849² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345606055849.

It is not a weakly prime, because it can be changed into another prime (345606055841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172803027924 + 172803027925.

It is an arithmetic number, because the mean of its divisors is an integer number (172803027925).

Almost surely, 2^345606055849 is an apocalyptic number.

It is an amenable number.

345606055849 is a deficient number, since it is larger than the sum of its proper divisors (1).

345606055849 is an equidigital number, since it uses as much as digits as its factorization.

345606055849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 345606055849 in words is "three hundred forty-five billion, six hundred six million, fifty-five thousand, eight hundred forty-nine".