346994499643 has 16 divisors (see below), whose sum is σ = 389286279936. Its totient is φ = 306605110240.

The previous prime is 346994499629. The next prime is 346994499727.

It is a happy number.

346994499643 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-346994499643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346994499143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2718871 + ... + 2843632.

It is an arithmetic number, because the mean of its divisors is an integer number (24330392496).

Almost surely, 2^346994499643 is an apocalyptic number.

346994499643 is a deficient number, since it is larger than the sum of its proper divisors (42291780293).

346994499643 is a wasteful number, since it uses less digits than its factorization.

346994499643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562674.

The product of its digits is 544195584, while the sum is 70.

The spelling of 346994499643 in words is "three hundred forty-six billion, nine hundred ninety-four million, four hundred ninety-nine thousand, six hundred forty-three".