49774939 has 2 divisors, whose sum is σ = 49774940. Its totient is φ = 49774938.

The previous prime is 49774931. The next prime is 49774981. The reversal of 49774939 is 93947794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49774939 - 2³ = 49774931 is a prime.

It is not a weakly prime, because it can be changed into another prime (49774931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24887469 + 24887470.

It is an arithmetic number, because the mean of its divisors is an integer number (24887470).

Almost surely, 2^49774939 is an apocalyptic number.

49774939 is a deficient number, since it is larger than the sum of its proper divisors (1).

49774939 is an equidigital number, since it uses as much as digits as its factorization.

49774939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 52.

The square root of 49774939 is about 7055.1356471722. The cubic root of 49774939 is about 367.8495638852.

The spelling of 49774939 in words is "forty-nine million, seven hundred seventy-four thousand, nine hundred thirty-nine".