349989293892 has 24 divisors (see below), whose sum is σ = 933304783936. Its totient is φ = 99996941088.

The previous prime is 349989293879. The next prime is 349989293893. The reversal of 349989293892 is 298392989943.

It is not an unprimeable number, because it can be changed into a prime (349989293893) 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, 2083269523 + ... + 2083269690.

Almost surely, 2^349989293892 is an apocalyptic number.

It is an amenable number.

349989293892 is an abundant number, since it is smaller than the sum of its proper divisors (583315490044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349989293892 is a wasteful number, since it uses less digits than its factorization.

349989293892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166539227 (or 4166539225 counting only the distinct ones).

The product of its digits is 544195584, while the sum is 75.

The spelling of 349989293892 in words is "three hundred forty-nine billion, nine hundred eighty-nine million, two hundred ninety-three thousand, eight hundred ninety-two".