205102822969 has 8 divisors (see below), whose sum is σ = 223880248800. Its totient is φ = 186347349600.

The previous prime is 205102822949. The next prime is 205102822993. The reversal of 205102822969 is 969228201502.

205102822969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205102822969 - 2²³ = 205094434361 is a prime.

It is a super-2 number, since 2×205102822969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205102822909) 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 in 7 ways as a sum of consecutive naturals, for example, 5468572 + ... + 5505949.

It is an arithmetic number, because the mean of its divisors is an integer number (27985031100).

Almost surely, 2^205102822969 is an apocalyptic number.

It is an amenable number.

205102822969 is a deficient number, since it is larger than the sum of its proper divisors (18777425831).

205102822969 is a wasteful number, since it uses less digits than its factorization.

205102822969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10976231.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 205102822969 in words is "two hundred five billion, one hundred two million, eight hundred twenty-two thousand, nine hundred sixty-nine".