346846789969 has 3 divisors (see below), whose sum is σ = 346847378907. Its totient is φ = 346846201032.

The previous prime is 346846789963. The next prime is 346846789981. The reversal of 346846789969 is 969987648643.

The square root of 346846789969 is 588937.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 93749254225 + 253097535744 = 306185^2 + 503088^2 .

It is not a de Polignac number, because 346846789969 - 2²³ = 346838401361 is a prime.

It is a super-2 number, since 2×346846789969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346846789963) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 294469 + ... + 883405.

It is an arithmetic number, because the mean of its divisors is an integer number (115615792969).

Almost surely, 2^346846789969 is an apocalyptic number.

346846789969 is the 588937-th square number.

346846789969 is the 294469-th centered octagonal number.

It is an amenable number.

346846789969 is a deficient number, since it is larger than the sum of its proper divisors (588938).

346846789969 is an frugal number, since it uses more digits than its factorization.

346846789969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177874 (or 588937 counting only the distinct ones).

The product of its digits is 3386105856, while the sum is 79.

The spelling of 346846789969 in words is "three hundred forty-six billion, eight hundred forty-six million, seven hundred eighty-nine thousand, nine hundred sixty-nine".