4485396891 has 8 divisors (see below), whose sum is σ = 6142165264. Its totient is φ = 2909446560.

The previous prime is 4485396863. The next prime is 4485396931. The reversal of 4485396891 is 1986935844.

4485396891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4485396891 - 2⁶ = 4485396827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4485396821) 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, 20204380 + ... + 20204601.

It is an arithmetic number, because the mean of its divisors is an integer number (767770658).

Almost surely, 2^4485396891 is an apocalyptic number.

4485396891 is a deficient number, since it is larger than the sum of its proper divisors (1656768373).

4485396891 is a wasteful number, since it uses less digits than its factorization.

4485396891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40409021.

The product of its digits is 7464960, while the sum is 57.

The square root of 4485396891 is about 66973.1057290910. The cubic root of 4485396891 is about 1649.1758223666.

The spelling of 4485396891 in words is "four billion, four hundred eighty-five million, three hundred ninety-six thousand, eight hundred ninety-one".