49274839 has 2 divisors, whose sum is σ = 49274840. Its totient is φ = 49274838.

The previous prime is 49274837. The next prime is 49274843. The reversal of 49274839 is 93847294.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49274839 - 2¹ = 49274837 is a prime.

Together with 49274837, 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 (49274833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24637419 + 24637420.

It is an arithmetic number, because the mean of its divisors is an integer number (24637420).

Almost surely, 2^49274839 is an apocalyptic number.

49274839 is a deficient number, since it is larger than the sum of its proper divisors (1).

49274839 is an equidigital number, since it uses as much as digits as its factorization.

49274839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 49274839 is about 7019.6039062044. The cubic root of 49274839 is about 366.6134590378.

The spelling of 49274839 in words is "forty-nine million, two hundred seventy-four thousand, eight hundred thirty-nine".