345244900069 has 4 divisors (see below), whose sum is σ = 345246458944. Its totient is φ = 345243341196.

The previous prime is 345244900031. The next prime is 345244900081. The reversal of 345244900069 is 960009442543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345244900069 - 2³⁷ = 207805946597 is a prime.

It is a super-2 number, since 2×345244900069² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345244901069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378477 + ... + 913090.

It is an arithmetic number, because the mean of its divisors is an integer number (86311614736).

Almost surely, 2^345244900069 is an apocalyptic number.

It is an amenable number.

345244900069 is a deficient number, since it is larger than the sum of its proper divisors (1558875).

345244900069 is a wasteful number, since it uses less digits than its factorization.

345244900069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558874.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 345244900069 in words is "three hundred forty-five billion, two hundred forty-four million, nine hundred thousand, sixty-nine".