234694447561 has 16 divisors (see below), whose sum is σ = 276894315520. Its totient is φ = 194663528640.

The previous prime is 234694447543. The next prime is 234694447571. The reversal of 234694447561 is 165744496432.

It is not a de Polignac number, because 234694447561 - 2⁷ = 234694447433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234694447571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3962755 + ... + 4021543.

It is an arithmetic number, because the mean of its divisors is an integer number (17305894720).

Almost surely, 2^234694447561 is an apocalyptic number.

It is an amenable number.

234694447561 is a deficient number, since it is larger than the sum of its proper divisors (42199867959).

234694447561 is a wasteful number, since it uses less digits than its factorization.

234694447561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77224.

The product of its digits is 17418240, while the sum is 55.

The spelling of 234694447561 in words is "two hundred thirty-four billion, six hundred ninety-four million, four hundred forty-seven thousand, five hundred sixty-one".