34636811639 has 4 divisors (see below), whose sum is σ = 34830313560. Its totient is φ = 34443309720.

The previous prime is 34636811611. The next prime is 34636811681. The reversal of 34636811639 is 93611863643.

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-34636811639 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 (34636811609) 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, 96750692 + ... + 96751049.

It is an arithmetic number, because the mean of its divisors is an integer number (8707578390).

Almost surely, 2^34636811639 is an apocalyptic number.

34636811639 is a deficient number, since it is larger than the sum of its proper divisors (193501921).

34636811639 is a wasteful number, since it uses less digits than its factorization.

34636811639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193501920.

The product of its digits is 1679616, while the sum is 50.

The spelling of 34636811639 in words is "thirty-four billion, six hundred thirty-six million, eight hundred eleven thousand, six hundred thirty-nine".