343402854681 has 4 divisors (see below), whose sum is σ = 457870472912. Its totient is φ = 228935236452.

The previous prime is 343402854643. The next prime is 343402854701. The reversal of 343402854681 is 186458204343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 343402854681 - 2⁹ = 343402854169 is a prime.

It is a super-2 number, since 2×343402854681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343402854681.

It is not an unprimeable number, because it can be changed into a prime (343402854601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57233809111 + ... + 57233809116.

It is an arithmetic number, because the mean of its divisors is an integer number (114467618228).

Almost surely, 2^343402854681 is an apocalyptic number.

It is an amenable number.

343402854681 is a deficient number, since it is larger than the sum of its proper divisors (114467618231).

343402854681 is a wasteful number, since it uses less digits than its factorization.

343402854681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114467618230.

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 343402854681 in words is "three hundred forty-three billion, four hundred two million, eight hundred fifty-four thousand, six hundred eighty-one".