34317721956 has 48 divisors (see below), whose sum is σ = 92457389696. Its totient is φ = 9703977984.

The previous prime is 34317721939. The next prime is 34317721957. The reversal of 34317721956 is 65912771343.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (34317721957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2097751 + ... + 2114046.

Almost surely, 2^34317721956 is an apocalyptic number.

It is an amenable number.

34317721956 is an abundant number, since it is smaller than the sum of its proper divisors (58139667740).

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

34317721956 is a wasteful number, since it uses less digits than its factorization.

34317721956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211908 (or 4211906 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The spelling of 34317721956 in words is "thirty-four billion, three hundred seventeen million, seven hundred twenty-one thousand, nine hundred fifty-six".