345536635543 has 4 divisors (see below), whose sum is σ = 376949056968. Its totient is φ = 314124214120.

The previous prime is 345536635481. The next prime is 345536635553.

345536635543 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345536635543 - 2¹³ = 345536627351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345536635553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15706210696 + ... + 15706210717.

It is an arithmetic number, because the mean of its divisors is an integer number (94237264242).

Almost surely, 2^345536635543 is an apocalyptic number.

345536635543 is a deficient number, since it is larger than the sum of its proper divisors (31412421425).

345536635543 is a wasteful number, since it uses less digits than its factorization.

345536635543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31412421424.

The product of its digits is 29160000, while the sum is 52.

The spelling of 345536635543 in words is "three hundred forty-five billion, five hundred thirty-six million, six hundred thirty-five thousand, five hundred forty-three".