345638836543 has 32 divisors (see below), whose sum is σ = 473545497600. Its totient is φ = 248611315680.

The previous prime is 345638836541. The next prime is 345638836567.

345638836543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345638836543 - 2¹ = 345638836541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345638836541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3474355 + ... + 3572452.

It is an arithmetic number, because the mean of its divisors is an integer number (14798296800).

Almost surely, 2^345638836543 is an apocalyptic number.

345638836543 is a deficient number, since it is larger than the sum of its proper divisors (127906661057).

345638836543 is a wasteful number, since it uses less digits than its factorization.

345638836543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7046852 (or 7046838 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 58.

The spelling of 345638836543 in words is "three hundred forty-five billion, six hundred thirty-eight million, eight hundred thirty-six thousand, five hundred forty-three".