34720661834 has 4 divisors (see below), whose sum is σ = 52080992754. Its totient is φ = 17360330916.

The previous prime is 34720661809. The next prime is 34720661849. The reversal of 34720661834 is 43816602743.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30661060609 + 4059601225 = 175103^2 + 63715^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8680165457 + ... + 8680165460.

Almost surely, 2^34720661834 is an apocalyptic number.

34720661834 is a deficient number, since it is larger than the sum of its proper divisors (17360330920).

34720661834 is a wasteful number, since it uses less digits than its factorization.

34720661834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17360330919.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 34720661834 in words is "thirty-four billion, seven hundred twenty million, six hundred sixty-one thousand, eight hundred thirty-four".