34639344393643 has 16 divisors (see below), whose sum is σ = 37992916099584. Its totient is φ = 31320141060960.

The previous prime is 34639344393583. The next prime is 34639344393683.

34639344393643 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 34639344393643 - 2²⁹ = 34638807522731 is a prime.

It is a super-2 number, since 2×34639344393643² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34639344393683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4467555 + ... + 9446572.

It is an arithmetic number, because the mean of its divisors is an integer number (2374557256224).

Almost surely, 2^{34639344393643} is an apocalyptic number.

34639344393643 is a deficient number, since it is larger than the sum of its proper divisors (3353571705941).

34639344393643 is a wasteful number, since it uses less digits than its factorization.

34639344393643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13915362.

The product of its digits is 544195584, while the sum is 64.

The spelling of 34639344393643 in words is "thirty-four trillion, six hundred thirty-nine billion, three hundred forty-four million, three hundred ninety-three thousand, six hundred forty-three".