34339721844 has 12 divisors (see below), whose sum is σ = 80126017664. Its totient is φ = 11446573944.

The previous prime is 34339721803. The next prime is 34339721849. The reversal of 34339721844 is 44812793343.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 34339721793 and 34339721802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34339721849) 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, 1430821732 + ... + 1430821755.

Almost surely, 2^34339721844 is an apocalyptic number.

It is an amenable number.

34339721844 is an abundant number, since it is smaller than the sum of its proper divisors (45786295820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34339721844 is a wasteful number, since it uses less digits than its factorization.

34339721844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861643494 (or 2861643492 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 48.

The spelling of 34339721844 in words is "thirty-four billion, three hundred thirty-nine million, seven hundred twenty-one thousand, eight hundred forty-four".