49369609 has 2 divisors, whose sum is σ = 49369610. Its totient is φ = 49369608.

The previous prime is 49369597. The next prime is 49369613. The reversal of 49369609 is 90696394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41641209 + 7728400 = 6453^2 + 2780^2 .

It is a cyclic number.

It is not a de Polignac number, because 49369609 - 2¹¹ = 49367561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49369669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24684804 + 24684805.

It is an arithmetic number, because the mean of its divisors is an integer number (24684805).

Almost surely, 2^49369609 is an apocalyptic number.

It is an amenable number.

49369609 is a deficient number, since it is larger than the sum of its proper divisors (1).

49369609 is an equidigital number, since it uses as much as digits as its factorization.

49369609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 49369609 is about 7026.3510444611. The cubic root of 49369609 is about 366.8483436680.

The spelling of 49369609 in words is "forty-nine million, three hundred sixty-nine thousand, six hundred nine".