47009149 has 8 divisors (see below), whose sum is σ = 51500160. Its totient is φ = 42554400.

The previous prime is 47009147. The next prime is 47009189. The reversal of 47009149 is 94190074.

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

It is a cyclic number.

It is not a de Polignac number, because 47009149 - 2¹ = 47009147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47009147) 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, 6312 + ... + 11569.

It is an arithmetic number, because the mean of its divisors is an integer number (6437520).

Almost surely, 2^47009149 is an apocalyptic number.

It is an amenable number.

47009149 is a deficient number, since it is larger than the sum of its proper divisors (4491011).

47009149 is a wasteful number, since it uses less digits than its factorization.

47009149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18131.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 47009149 is about 6856.3218273357. The cubic root of 47009149 is about 360.9060229129.

The spelling of 47009149 in words is "forty-seven million, nine thousand, one hundred forty-nine".