49004960209 has 2 divisors, whose sum is σ = 49004960210. Its totient is φ = 49004960208.

The previous prime is 49004960159. The next prime is 49004960233. The reversal of 49004960209 is 90206940094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48156985809 + 847974400 = 219447^2 + 29120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49004960209 is a prime.

It is a super-2 number, since 2×49004960209² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49004930209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24502480104 + 24502480105.

It is an arithmetic number, because the mean of its divisors is an integer number (24502480105).

Almost surely, 2^49004960209 is an apocalyptic number.

It is an amenable number.

49004960209 is a deficient number, since it is larger than the sum of its proper divisors (1).

49004960209 is an equidigital number, since it uses as much as digits as its factorization.

49004960209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 49004960209 in words is "forty-nine billion, four million, nine hundred sixty thousand, two hundred nine".