49012609 has 12 divisors (see below), whose sum is σ = 53986176. Its totient is φ = 44406648.

The previous prime is 49012603. The next prime is 49012619. The reversal of 49012609 is 90621094.

It is a happy number.

It is not a de Polignac number, because 49012609 - 2¹¹ = 49010561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49012603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5352 + ... + 11254.

It is an arithmetic number, because the mean of its divisors is an integer number (4498848).

Almost surely, 2^49012609 is an apocalyptic number.

It is an amenable number.

49012609 is a deficient number, since it is larger than the sum of its proper divisors (4973567).

49012609 is a wasteful number, since it uses less digits than its factorization.

49012609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5964 (or 5945 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 49012609 is about 7000.9005849248. The cubic root of 49012609 is about 365.9619561918.

The spelling of 49012609 in words is "forty-nine million, twelve thousand, six hundred nine".