49016009 has 8 divisors (see below), whose sum is σ = 57532608. Its totient is φ = 40878000.

The previous prime is 49015979. The next prime is 49016021. The reversal of 49016009 is 90061094.

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 49016009 - 2⁸ = 49015753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49016089) 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, 94367 + ... + 94884.

It is an arithmetic number, because the mean of its divisors is an integer number (7191576).

Almost surely, 2^49016009 is an apocalyptic number.

It is an amenable number.

49016009 is a deficient number, since it is larger than the sum of its proper divisors (8516599).

49016009 is a wasteful number, since it uses less digits than its factorization.

49016009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189295.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 49016009 is about 7001.1434066158. The cubic root of 49016009 is about 365.9704182448.

The spelling of 49016009 in words is "forty-nine million, sixteen thousand, nine".