345423575489 has 2 divisors, whose sum is σ = 345423575490. Its totient is φ = 345423575488.

The previous prime is 345423575377. The next prime is 345423575503. The reversal of 345423575489 is 984575324543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196056785089 + 149366790400 = 442783^2 + 386480^2 .

It is an emirp because it is prime and its reverse (984575324543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345423575489 - 2¹² = 345423571393 is a prime.

It is not a weakly prime, because it can be changed into another prime (345423572489) 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, 172711787744 + 172711787745.

It is an arithmetic number, because the mean of its divisors is an integer number (172711787745).

Almost surely, 2^345423575489 is an apocalyptic number.

It is an amenable number.

345423575489 is a deficient number, since it is larger than the sum of its proper divisors (1).

345423575489 is an equidigital number, since it uses as much as digits as its factorization.

345423575489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576000, while the sum is 59.

The spelling of 345423575489 in words is "three hundred forty-five billion, four hundred twenty-three million, five hundred seventy-five thousand, four hundred eighty-nine".