49116225681 has 24 divisors (see below), whose sum is σ = 71108157120. Its totient is φ = 32669230176.

The previous prime is 49116225629. The next prime is 49116225707. The reversal of 49116225681 is 18652261194.

49116225681 is a `hidden beast` number, since 4 + 9 + 11 + 622 + 5 + 6 + 8 + 1 = 666.

It is not a de Polignac number, because 49116225681 - 2¹⁰ = 49116224657 is a prime.

It is a super-2 number, since 2×49116225681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49116225601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16171095 + ... + 16174131.

It is an arithmetic number, because the mean of its divisors is an integer number (2962839880).

Almost surely, 2^49116225681 is an apocalyptic number.

It is an amenable number.

49116225681 is a deficient number, since it is larger than the sum of its proper divisors (21991931439).

49116225681 is a wasteful number, since it uses less digits than its factorization.

49116225681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565 (or 6562 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The spelling of 49116225681 in words is "forty-nine billion, one hundred sixteen million, two hundred twenty-five thousand, six hundred eighty-one".