49729412149 has 2 divisors, whose sum is σ = 49729412150. Its totient is φ = 49729412148.

The previous prime is 49729412147. The next prime is 49729412167. The reversal of 49729412149 is 94121492794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31573736100 + 18155676049 = 177690^2 + 134743^2 .

It is a cyclic number.

It is not a de Polignac number, because 49729412149 - 2¹ = 49729412147 is a prime.

Together with 49729412147, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 49729412096 and 49729412105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49729412147) 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 as a sum of consecutive naturals, namely, 24864706074 + 24864706075.

It is an arithmetic number, because the mean of its divisors is an integer number (24864706075).

Almost surely, 2^49729412149 is an apocalyptic number.

It is an amenable number.

49729412149 is a deficient number, since it is larger than the sum of its proper divisors (1).

49729412149 is an equidigital number, since it uses as much as digits as its factorization.

49729412149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The spelling of 49729412149 in words is "forty-nine billion, seven hundred twenty-nine million, four hundred twelve thousand, one hundred forty-nine".