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49963409 is a prime number

49963409 has 2 divisors, whose sum is σ = 49963410. Its totient is φ = 49963408.

The previous prime is 49963399. The next prime is 49963469. The reversal of 49963409 is 90436994.

It is a happy number.

49963409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47224384 + 2739025 = 6872^2 + 1655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49963409 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49963409.

It is not a weakly prime, because it can be changed into another prime (49963469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24981704 + 24981705.

It is an arithmetic number, because the mean of its divisors is an integer number (24981705).

Almost surely, 249963409 is an apocalyptic number.

It is an amenable number.

49963409 is a deficient number, since it is larger than the sum of its proper divisors (1).

49963409 is an equidigital number, since it uses as much as digits as its factorization.

49963409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 49963409 is about 7068.4799638961. The cubic root of 49963409 is about 368.3132596683.

The spelling of 49963409 in words is "forty-nine million, nine hundred sixty-three thousand, four hundred nine".