34621612643 has 4 divisors (see below), whose sum is σ = 34631252088. Its totient is φ = 34611973200.

The previous prime is 34621612631. The next prime is 34621612651.

34621612643 is nontrivially palindromic in base 10.

34621612643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34621612643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34621612597 and 34621612606.

It is not an unprimeable number, because it can be changed into a prime (34621612693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4814333 + ... + 4821518.

It is an arithmetic number, because the mean of its divisors is an integer number (8657813022).

Almost surely, 2^34621612643 is an apocalyptic number.

34621612643 is a deficient number, since it is larger than the sum of its proper divisors (9639445).

34621612643 is an equidigital number, since it uses as much as digits as its factorization.

34621612643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9639444.

The product of its digits is 124416, while the sum is 38.

The spelling of 34621612643 in words is "thirty-four billion, six hundred twenty-one million, six hundred twelve thousand, six hundred forty-three".