49195109 has 4 divisors (see below), whose sum is σ = 50782080. Its totient is φ = 47608140.

The previous prime is 49195103. The next prime is 49195129. The reversal of 49195109 is 90159194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49195109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49195103) 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, 793439 + ... + 793500.

It is an arithmetic number, because the mean of its divisors is an integer number (12695520).

Almost surely, 2^49195109 is an apocalyptic number.

It is an amenable number.

49195109 is a deficient number, since it is larger than the sum of its proper divisors (1586971).

49195109 is a wasteful number, since it uses less digits than its factorization.

49195109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586970.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 49195109 is about 7013.9225116906. The cubic root of 49195109 is about 366.4156172232.

The spelling of 49195109 in words is "forty-nine million, one hundred ninety-five thousand, one hundred nine".