49438141 has 2 divisors, whose sum is σ = 49438142. Its totient is φ = 49438140.

The previous prime is 49438139. The next prime is 49438153. The reversal of 49438141 is 14183494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38081241 + 11356900 = 6171^2 + 3370^2 .

It is a cyclic number.

It is not a de Polignac number, because 49438141 - 2¹ = 49438139 is a prime.

Together with 49438139, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 49438097 and 49438106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49438541) 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, 24719070 + 24719071.

It is an arithmetic number, because the mean of its divisors is an integer number (24719071).

Almost surely, 2^49438141 is an apocalyptic number.

It is an amenable number.

49438141 is a deficient number, since it is larger than the sum of its proper divisors (1).

49438141 is an equidigital number, since it uses as much as digits as its factorization.

49438141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 49438141 is about 7031.2261377373. The cubic root of 49438141 is about 367.0180109804.

The spelling of 49438141 in words is "forty-nine million, four hundred thirty-eight thousand, one hundred forty-one".