345438834543 has 16 divisors (see below), whose sum is σ = 558284985600. Its totient is φ = 209356869240.

The previous prime is 345438834443. The next prime is 345438834547.

345438834543 is a `hidden beast` number, since 3 + 454 + 38 + 83 + 45 + 43 = 666.

345438834543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345438834543 - 2¹⁴ = 345438818159 is a prime.

It is a super-2 number, since 2×345438834543² (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 345438834543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345438834547) 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, 581546563 + ... + 581547156.

It is an arithmetic number, because the mean of its divisors is an integer number (34892811600).

Almost surely, 2^345438834543 is an apocalyptic number.

345438834543 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

345438834543 is a deficient number, since it is larger than the sum of its proper divisors (212846151057).

345438834543 is a wasteful number, since it uses less digits than its factorization.

345438834543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163093739 (or 1163093733 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 54.

The spelling of 345438834543 in words is "three hundred forty-five billion, four hundred thirty-eight million, eight hundred thirty-four thousand, five hundred forty-three".