4407991459 has 4 divisors (see below), whose sum is σ = 4427240560. Its totient is φ = 4388742360.

The previous prime is 4407991457. The next prime is 4407991493. The reversal of 4407991459 is 9541997044.

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

It is a cyclic number.

It is not a de Polignac number, because 4407991459 - 2¹ = 4407991457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4407991453) 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, 9624207 + ... + 9624664.

It is an arithmetic number, because the mean of its divisors is an integer number (1106810140).

Almost surely, 2^4407991459 is an apocalyptic number.

4407991459 is a deficient number, since it is larger than the sum of its proper divisors (19249101).

4407991459 is a wasteful number, since it uses less digits than its factorization.

4407991459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19249100.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 4407991459 is about 66392.7063689981. The cubic root of 4407991459 is about 1639.6339976176.

The spelling of 4407991459 in words is "four billion, four hundred seven million, nine hundred ninety-one thousand, four hundred fifty-nine".