343671899922 has 126 divisors (see below), whose sum is σ = 837645368751. Its totient is φ = 105655661280.

The previous prime is 343671899881. The next prime is 343671899969. The reversal of 343671899922 is 229998176343.

343671899922 is a `hidden beast` number, since 3 + 4 + 367 + 189 + 9 + 92 + 2 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 206905807161 + 136766092761 = 454869^2 + 369819^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=414531.

It is a super-2 number, since 2×343671899922² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 343671899922.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 291000172 + ... + 291001352.

Almost surely, 2^343671899922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343671899922

343671899922 is an abundant number, since it is smaller than the sum of its proper divisors (493973468829).

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

343671899922 is an frugal number, since it uses more digits than its factorization.

343671899922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408 (or 1199 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 343671899922 in words is "three hundred forty-three billion, six hundred seventy-one million, eight hundred ninety-nine thousand, nine hundred twenty-two".