34117709861 has 4 divisors (see below), whose sum is σ = 34118091372. Its totient is φ = 34117328352.

The previous prime is 34117709839. The next prime is 34117709863. The reversal of 34117709861 is 16890771143.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 557668225 + 33560041636 = 23615^2 + 183194^2 .

It is a cyclic number.

It is not a de Polignac number, because 34117709861 - 2¹⁰ = 34117708837 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 (34117709863) 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, 23915 + ... + 262311.

It is an arithmetic number, because the mean of its divisors is an integer number (8529522843).

Almost surely, 2^34117709861 is an apocalyptic number.

It is an amenable number.

34117709861 is a deficient number, since it is larger than the sum of its proper divisors (381511).

34117709861 is a wasteful number, since it uses less digits than its factorization.

34117709861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381510.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 34117709861 in words is "thirty-four billion, one hundred seventeen million, seven hundred nine thousand, eight hundred sixty-one".