4955494496809 has 2 divisors, whose sum is σ = 4955494496810. Its totient is φ = 4955494496808.

The previous prime is 4955494496801. The next prime is 4955494496861. The reversal of 4955494496809 is 9086944945594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4899338768025 + 56155728784 = 2213445^2 + 236972^2 .

It is a cyclic number.

It is not a de Polignac number, because 4955494496809 - 2³ = 4955494496801 is a prime.

It is a super-2 number, since 2×4955494496809² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4955494496801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2477747248404 + 2477747248405.

It is an arithmetic number, because the mean of its divisors is an integer number (2477747248405).

Almost surely, 2^{4955494496809} is an apocalyptic number.

It is an amenable number.

4955494496809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4955494496809 is an equidigital number, since it uses as much as digits as its factorization.

4955494496809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2015539200, while the sum is 76.

The spelling of 4955494496809 in words is "four trillion, nine hundred fifty-five billion, four hundred ninety-four million, four hundred ninety-six thousand, eight hundred nine".