343671823749 has 16 divisors (see below), whose sum is σ = 471006591552. Its totient is φ = 222802315008.

The previous prime is 343671823739. The next prime is 343671823757. The reversal of 343671823749 is 947328176343.

It is not a de Polignac number, because 343671823749 - 2⁹ = 343671823237 is a prime.

It is a super-2 number, since 2×343671823749² (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 (343671823739) 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, 9546007 + ... + 9581940.

It is an arithmetic number, because the mean of its divisors is an integer number (29437911972).

Almost surely, 2^343671823749 is an apocalyptic number.

It is an amenable number.

343671823749 is a deficient number, since it is larger than the sum of its proper divisors (127334767803).

343671823749 is a wasteful number, since it uses less digits than its factorization.

343671823749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19128116.

The product of its digits is 18289152, while the sum is 57.

The spelling of 343671823749 in words is "three hundred forty-three billion, six hundred seventy-one million, eight hundred twenty-three thousand, seven hundred forty-nine".