346138348969 has 4 divisors (see below), whose sum is σ = 395586684544. Its totient is φ = 296690013396.

The previous prime is 346138348949. The next prime is 346138348991. The reversal of 346138348969 is 969843831643.

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 not a de Polignac number, because 346138348969 - 2⁵ = 346138348937 is a prime.

It is a super-2 number, since 2×346138348969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 346138348969.

It is not an unprimeable number, because it can be changed into a prime (346138348949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24724167777 + ... + 24724167790.

It is an arithmetic number, because the mean of its divisors is an integer number (98896671136).

Almost surely, 2^346138348969 is an apocalyptic number.

It is an amenable number.

346138348969 is a deficient number, since it is larger than the sum of its proper divisors (49448335575).

346138348969 is an equidigital number, since it uses as much as digits as its factorization.

346138348969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49448335574.

The product of its digits is 80621568, while the sum is 64.

The spelling of 346138348969 in words is "three hundred forty-six billion, one hundred thirty-eight million, three hundred forty-eight thousand, nine hundred sixty-nine".