49831196688181 has 2 divisors, whose sum is σ = 49831196688182. Its totient is φ = 49831196688180.

The previous prime is 49831196688107. The next prime is 49831196688253. The reversal of 49831196688181 is 18188669113894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43586945365681 + 6244251322500 = 6602041^2 + 2498850^2 .

It is a cyclic number.

It is not a de Polignac number, because 49831196688181 - 2¹⁵ = 49831196655413 is a prime.

It is a super-2 number, since 2×49831196688181² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49831196688281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24915598344090 + 24915598344091.

It is an arithmetic number, because the mean of its divisors is an integer number (24915598344091).

Almost surely, 2^{49831196688181} is an apocalyptic number.

It is an amenable number.

49831196688181 is a deficient number, since it is larger than the sum of its proper divisors (1).

49831196688181 is an equidigital number, since it uses as much as digits as its factorization.

49831196688181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 143327232, while the sum is 73.

The spelling of 49831196688181 in words is "forty-nine trillion, eight hundred thirty-one billion, one hundred ninety-six million, six hundred eighty-eight thousand, one hundred eighty-one".