49946009 has 2 divisors, whose sum is σ = 49946010. Its totient is φ = 49946008.

The previous prime is 49945969. The next prime is 49946047. The reversal of 49946009 is 90064994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46512400 + 3433609 = 6820^2 + 1853^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49946009 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (49946059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24973004 + 24973005.

It is an arithmetic number, because the mean of its divisors is an integer number (24973005).

Almost surely, 2^49946009 is an apocalyptic number.

It is an amenable number.

49946009 is a deficient number, since it is larger than the sum of its proper divisors (1).

49946009 is an equidigital number, since it uses as much as digits as its factorization.

49946009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 49946009 is about 7067.2490404683. The cubic root of 49946009 is about 368.2704990765.

The spelling of 49946009 in words is "forty-nine million, nine hundred forty-six thousand, nine".