4491346861 has 8 divisors (see below), whose sum is σ = 4720009184. Its totient is φ = 4268330640.

The previous prime is 4491346813. The next prime is 4491346877. The reversal of 4491346861 is 1686431944.

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

It is a cyclic number.

It is not a de Polignac number, because 4491346861 - 2¹¹ = 4491344813 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 (4491316861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409895 + ... + 1413076.

It is an arithmetic number, because the mean of its divisors is an integer number (590001148).

Almost surely, 2^4491346861 is an apocalyptic number.

It is an amenable number.

4491346861 is a deficient number, since it is larger than the sum of its proper divisors (228662323).

4491346861 is a wasteful number, since it uses less digits than its factorization.

4491346861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823051.

The product of its digits is 497664, while the sum is 46.

The square root of 4491346861 is about 67017.5115995812. The cubic root of 4491346861 is about 1649.9047218935.

The spelling of 4491346861 in words is "four billion, four hundred ninety-one million, three hundred forty-six thousand, eight hundred sixty-one".