49769399 has 2 divisors, whose sum is σ = 49769400. Its totient is φ = 49769398.

The previous prime is 49769393. The next prime is 49769407. The reversal of 49769399 is 99396794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49769399 - 2⁴ = 49769383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49769393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24884699 + 24884700.

It is an arithmetic number, because the mean of its divisors is an integer number (24884700).

Almost surely, 2^49769399 is an apocalyptic number.

49769399 is a deficient number, since it is larger than the sum of its proper divisors (1).

49769399 is an equidigital number, since it uses as much as digits as its factorization.

49769399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3306744, while the sum is 56.

The square root of 49769399 is about 7054.7430144549. The cubic root of 49769399 is about 367.8359160386.

It can be divided in two parts, 497 and 69399, that added together give a palindrome (69896).

The spelling of 49769399 in words is "forty-nine million, seven hundred sixty-nine thousand, three hundred ninety-nine".