49381811 has 2 divisors, whose sum is σ = 49381812. Its totient is φ = 49381810.

The previous prime is 49381781. The next prime is 49381823. The reversal of 49381811 is 11818394.

49381811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49381811 - 2¹⁴ = 49365427 is a prime.

It is equal to p_2966129 and since 49381811 and 2966129 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (49381861) 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, 24690905 + 24690906.

It is an arithmetic number, because the mean of its divisors is an integer number (24690906).

Almost surely, 2^49381811 is an apocalyptic number.

49381811 is a deficient number, since it is larger than the sum of its proper divisors (1).

49381811 is an equidigital number, since it uses as much as digits as its factorization.

49381811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 35.

The square root of 49381811 is about 7027.2192935755. The cubic root of 49381811 is about 366.8785641136.

The spelling of 49381811 in words is "forty-nine million, three hundred eighty-one thousand, eight hundred eleven".