49431133 has 2 divisors, whose sum is σ = 49431134. Its totient is φ = 49431132.

The previous prime is 49431131. The next prime is 49431211. The reversal of 49431133 is 33113494.

49431133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44582329 + 4848804 = 6677^2 + 2202^2 .

It is a cyclic number.

It is not a de Polignac number, because 49431133 - 2¹ = 49431131 is a prime.

Together with 49431131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49431131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24715566 + 24715567.

It is an arithmetic number, because the mean of its divisors is an integer number (24715567).

Almost surely, 2^49431133 is an apocalyptic number.

It is an amenable number.

49431133 is a deficient number, since it is larger than the sum of its proper divisors (1).

49431133 is an equidigital number, since it uses as much as digits as its factorization.

49431133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 49431133 is about 7030.7277717175. The cubic root of 49431133 is about 367.0006682048. Note that the first 3 decimals are identical.

The spelling of 49431133 in words is "forty-nine million, four hundred thirty-one thousand, one hundred thirty-three".