349944449943 has 16 divisors (see below), whose sum is σ = 509139259776. Its totient is φ = 212033732640.

The previous prime is 349944449941. The next prime is 349944449947.

349944449943 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 349944449943 - 2¹ = 349944449941 is a prime.

It is a super-2 number, since 2×349944449943² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349944449941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213096 + ... + 1473597.

It is an arithmetic number, because the mean of its divisors is an integer number (31821203736).

Almost surely, 2^349944449943 is an apocalyptic number.

349944449943 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

349944449943 is a deficient number, since it is larger than the sum of its proper divisors (159194809833).

349944449943 is a wasteful number, since it uses less digits than its factorization.

349944449943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690654.

The product of its digits is 241864704, while the sum is 66.

The spelling of 349944449943 in words is "three hundred forty-nine billion, nine hundred forty-four million, four hundred forty-nine thousand, nine hundred forty-three".