345626626543 has 4 divisors (see below), whose sum is σ = 377047228968. Its totient is φ = 314206024120.

The previous prime is 345626626529. The next prime is 345626626571.

345626626543 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 345626626543 - 2²¹ = 345624529391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345626626523) 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, 15710301196 + ... + 15710301217.

It is an arithmetic number, because the mean of its divisors is an integer number (94261807242).

Almost surely, 2^345626626543 is an apocalyptic number.

345626626543 is a deficient number, since it is larger than the sum of its proper divisors (31420602425).

345626626543 is a wasteful number, since it uses less digits than its factorization.

345626626543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31420602424.

The product of its digits is 18662400, while the sum is 52.

The spelling of 345626626543 in words is "three hundred forty-five billion, six hundred twenty-six million, six hundred twenty-six thousand, five hundred forty-three".