346345206499 has 8 divisors (see below), whose sum is σ = 346844143152. Its totient is φ = 345846617760.

The previous prime is 346345206491. The next prime is 346345206503. The reversal of 346345206499 is 994602543643.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 346345206499 - 2³ = 346345206491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346345206491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1939257 + ... + 2110309.

It is an arithmetic number, because the mean of its divisors is an integer number (43355517894).

Almost surely, 2^346345206499 is an apocalyptic number.

346345206499 is a deficient number, since it is larger than the sum of its proper divisors (498936653).

346345206499 is a wasteful number, since it uses less digits than its factorization.

346345206499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173957.

The product of its (nonzero) digits is 16796160, while the sum is 55.

The spelling of 346345206499 in words is "three hundred forty-six billion, three hundred forty-five million, two hundred six thousand, four hundred ninety-nine".