34893639389 has 4 divisors (see below), whose sum is σ = 39878445024. Its totient is φ = 29908833756.

The previous prime is 34893639383. The next prime is 34893639421. The reversal of 34893639389 is 98393639843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34893639389 - 2²⁰ = 34892590813 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 (34893639383) 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, 2492402807 + ... + 2492402820.

It is an arithmetic number, because the mean of its divisors is an integer number (9969611256).

Almost surely, 2^34893639389 is an apocalyptic number.

It is an amenable number.

34893639389 is a deficient number, since it is larger than the sum of its proper divisors (4984805635).

34893639389 is an equidigital number, since it uses as much as digits as its factorization.

34893639389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984805634.

The product of its digits is 90699264, while the sum is 65.

The spelling of 34893639389 in words is "thirty-four billion, eight hundred ninety-three million, six hundred thirty-nine thousand, three hundred eighty-nine".