5447310891 has 16 divisors (see below), whose sum is σ = 7932981888. Its totient is φ = 3297392000.

The previous prime is 5447310863. The next prime is 5447310923. The reversal of 5447310891 is 1980137445.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5447310891 - 2¹⁴ = 5447294507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5447310851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72510 + ... + 127091.

It is an arithmetic number, because the mean of its divisors is an integer number (495811368).

Almost surely, 2^5447310891 is an apocalyptic number.

5447310891 is a deficient number, since it is larger than the sum of its proper divisors (2485670997).

5447310891 is a wasteful number, since it uses less digits than its factorization.

5447310891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200442.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 5447310891 is about 73805.9001096796. The cubic root of 5447310891 is about 1759.5193775226.

The spelling of 5447310891 in words is "five billion, four hundred forty-seven million, three hundred ten thousand, eight hundred ninety-one".