49969399 has 2 divisors, whose sum is σ = 49969400. Its totient is φ = 49969398.

The previous prime is 49969393. The next prime is 49969417. The reversal of 49969399 is 99396994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49969399 - 2⁹ = 49968887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49969393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24984699 + 24984700.

It is an arithmetic number, because the mean of its divisors is an integer number (24984700).

Almost surely, 2^49969399 is an apocalyptic number.

49969399 is a deficient number, since it is larger than the sum of its proper divisors (1).

49969399 is an equidigital number, since it uses as much as digits as its factorization.

49969399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4251528, while the sum is 58.

The square root of 49969399 is about 7068.9036632281. The cubic root of 49969399 is about 368.3279778278.

The spelling of 49969399 in words is "forty-nine million, nine hundred sixty-nine thousand, three hundred ninety-nine".