4381490865 has 16 divisors (see below), whose sum is σ = 7236527616. Its totient is φ = 2261414400.

The previous prime is 4381490851. The next prime is 4381490899. The reversal of 4381490865 is 5680941834.

It is not a de Polignac number, because 4381490865 - 2⁴ = 4381490849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4710816 + ... + 4711745.

It is an arithmetic number, because the mean of its divisors is an integer number (452282976).

Almost surely, 2^4381490865 is an apocalyptic number.

It is an amenable number.

4381490865 is a deficient number, since it is larger than the sum of its proper divisors (2855036751).

4381490865 is a wasteful number, since it uses less digits than its factorization.

4381490865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422600.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 4381490865 is about 66192.8309184613. The cubic root of 4381490865 is about 1636.3415954116.

The spelling of 4381490865 in words is "four billion, three hundred eighty-one million, four hundred ninety thousand, eight hundred sixty-five".