2861816834 has 8 divisors (see below), whose sum is σ = 4293517968. Its totient is φ = 1430644180.

The previous prime is 2861816827. The next prime is 2861816861. The reversal of 2861816834 is 4386181682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118292 + ... + 140415.

It is an arithmetic number, because the mean of its divisors is an integer number (536689746).

Almost surely, 2^2861816834 is an apocalyptic number.

2861816834 is a deficient number, since it is larger than the sum of its proper divisors (1431701134).

2861816834 is a wasteful number, since it uses less digits than its factorization.

2861816834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264240.

The product of its digits is 442368, while the sum is 47.

The square root of 2861816834 is about 53495.9515664503. The cubic root of 2861816834 is about 1419.7567582432.

The spelling of 2861816834 in words is "two billion, eight hundred sixty-one million, eight hundred sixteen thousand, eight hundred thirty-four".