4613840891 has 4 divisors (see below), whose sum is σ = 5033280984. Its totient is φ = 4194400800.

The previous prime is 4613840879. The next prime is 4613840921. The reversal of 4613840891 is 1980483164.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4613840891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4613840801) 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, 209720030 + ... + 209720051.

It is an arithmetic number, because the mean of its divisors is an integer number (1258320246).

Almost surely, 2^4613840891 is an apocalyptic number.

4613840891 is a deficient number, since it is larger than the sum of its proper divisors (419440093).

4613840891 is a wasteful number, since it uses less digits than its factorization.

4613840891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419440092.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 4613840891 is about 67925.2595946456. The cubic root of 4613840891 is about 1664.7698601250.

The spelling of 4613840891 in words is "four billion, six hundred thirteen million, eight hundred forty thousand, eight hundred ninety-one".