47109489 has 8 divisors (see below), whose sum is σ = 71785920. Its totient is φ = 26919696.

The previous prime is 47109487. The next prime is 47109511. The reversal of 47109489 is 98490174.

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

It is not a de Polignac number, because 47109489 - 2¹ = 47109487 is a prime.

It is a super-2 number, since 2×47109489² = 4438607907682242, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47109489.

It is not an unprimeable number, because it can be changed into a prime (47109481) 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, 1121634 + ... + 1121675.

It is an arithmetic number, because the mean of its divisors is an integer number (8973240).

Almost surely, 2^47109489 is an apocalyptic number.

It is an amenable number.

47109489 is a deficient number, since it is larger than the sum of its proper divisors (24676431).

47109489 is a wasteful number, since it uses less digits than its factorization.

47109489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243319.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 47109489 is about 6863.6352612883. The cubic root of 47109489 is about 361.1626224339.

The spelling of 47109489 in words is "forty-seven million, one hundred nine thousand, four hundred eighty-nine".