345335343533543 has 12 divisors (see below), whose sum is σ = 379584157866480. Its totient is φ = 313940658086880.

The previous prime is 345335343533533. The next prime is 345335343533549.

345335343533543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345335343533543 - 2¹⁴ = 345335343517159 is a prime.

It is a super-2 number, since 2×345335343533543² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345335343533549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74762963 + ... + 79247531.

It is an arithmetic number, because the mean of its divisors is an integer number (31632013155540).

Almost surely, 2^{345335343533543} is an apocalyptic number.

345335343533543 is a deficient number, since it is larger than the sum of its proper divisors (34248814332937).

345335343533543 is a wasteful number, since it uses less digits than its factorization.

345335343533543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120998 (or 5120987 counting only the distinct ones).

The product of its digits is 262440000, while the sum is 56.

The spelling of 345335343533543 in words is "three hundred forty-five trillion, three hundred thirty-five billion, three hundred forty-three million, five hundred thirty-three thousand, five hundred forty-three".