49369939 has 2 divisors, whose sum is σ = 49369940. Its totient is φ = 49369938.

The previous prime is 49369933. The next prime is 49369963. The reversal of 49369939 is 93996394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49369939 - 2⁹ = 49369427 is a prime.

It is not a weakly prime, because it can be changed into another prime (49369933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24684969 + 24684970.

It is an arithmetic number, because the mean of its divisors is an integer number (24684970).

Almost surely, 2^49369939 is an apocalyptic number.

49369939 is a deficient number, since it is larger than the sum of its proper divisors (1).

49369939 is an equidigital number, since it uses as much as digits as its factorization.

49369939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1417176, while the sum is 52.

The square root of 49369939 is about 7026.3745274501. The cubic root of 49369939 is about 366.8491610378.

The spelling of 49369939 in words is "forty-nine million, three hundred sixty-nine thousand, nine hundred thirty-nine".