49179494149 has 4 divisors (see below), whose sum is σ = 49180674220. Its totient is φ = 49178314080.

The previous prime is 49179494087. The next prime is 49179494153. The reversal of 49179494149 is 94149497194.

49179494149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 19784391649 + 29395102500 = 140657^2 + 171450^2 .

It is a cyclic number.

It is not a de Polignac number, because 49179494149 - 2⁹ = 49179493637 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 (49179494159) 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, 525144 + ... + 611665.

It is an arithmetic number, because the mean of its divisors is an integer number (12295168555).

Almost surely, 2^49179494149 is an apocalyptic number.

It is an amenable number.

49179494149 is a deficient number, since it is larger than the sum of its proper divisors (1180071).

49179494149 is a wasteful number, since it uses less digits than its factorization.

49179494149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180070.

The product of its digits is 11757312, while the sum is 61.

The spelling of 49179494149 in words is "forty-nine billion, one hundred seventy-nine million, four hundred ninety-four thousand, one hundred forty-nine".