49802609 has 2 divisors, whose sum is σ = 49802610. Its totient is φ = 49802608.

The previous prime is 49802593. The next prime is 49802671. The reversal of 49802609 is 90620894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49773025 + 29584 = 7055^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 49802609 - 2⁴ = 49802593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49802009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24901304 + 24901305.

It is an arithmetic number, because the mean of its divisors is an integer number (24901305).

Almost surely, 2^49802609 is an apocalyptic number.

It is an amenable number.

49802609 is a deficient number, since it is larger than the sum of its proper divisors (1).

49802609 is an equidigital number, since it uses as much as digits as its factorization.

49802609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 49802609 is about 7057.0963575680. The cubic root of 49802609 is about 367.9177140571.

The spelling of 49802609 in words is "forty-nine million, eight hundred two thousand, six hundred nine".