49149193 has 4 divisors (see below), whose sum is σ = 52040340. Its totient is φ = 46258048.

The previous prime is 49149173. The next prime is 49149203. The reversal of 49149193 is 39194194.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28601104 + 20548089 = 5348^2 + 4533^2 .

It is a cyclic number.

It is not a de Polignac number, because 49149193 - 2⁹ = 49148681 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49149173) 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, 1445548 + ... + 1445581.

It is an arithmetic number, because the mean of its divisors is an integer number (13010085).

Almost surely, 2^49149193 is an apocalyptic number.

It is an amenable number.

49149193 is a deficient number, since it is larger than the sum of its proper divisors (2891147).

49149193 is a wasteful number, since it uses less digits than its factorization.

49149193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891146.

The product of its digits is 34992, while the sum is 40.

The square root of 49149193 is about 7010.6485434659. The cubic root of 49149193 is about 366.3015843661.

The spelling of 49149193 in words is "forty-nine million, one hundred forty-nine thousand, one hundred ninety-three".