122808332649 has 4 divisors (see below), whose sum is σ = 163744443536. Its totient is φ = 81872221764.

The previous prime is 122808332641. The next prime is 122808332651. The reversal of 122808332649 is 946233808221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122808332649 - 2³ = 122808332641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122808332598 and 122808332607.

It is not an unprimeable number, because it can be changed into a prime (122808332641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20468055439 + ... + 20468055444.

It is an arithmetic number, because the mean of its divisors is an integer number (40936110884).

Almost surely, 2^122808332649 is an apocalyptic number.

It is an amenable number.

122808332649 is a deficient number, since it is larger than the sum of its proper divisors (40936110887).

122808332649 is an equidigital number, since it uses as much as digits as its factorization.

122808332649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40936110886.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 122808332649 in words is "one hundred twenty-two billion, eight hundred eight million, three hundred thirty-two thousand, six hundred forty-nine".