100469969 has 2 divisors, whose sum is σ = 100469970. Its totient is φ = 100469968.

The previous prime is 100469959. The next prime is 100470001. The reversal of 100469969 is 969964001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100300225 + 169744 = 10015^2 + 412^2 .

It is an emirp because it is prime and its reverse (969964001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100469969 - 2⁴ = 100469953 is a prime.

It is a super-2 number, since 2×100469969² = 20188429341721922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100469939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50234984 + 50234985.

It is an arithmetic number, because the mean of its divisors is an integer number (50234985).

Almost surely, 2^100469969 is an apocalyptic number.

It is an amenable number.

100469969 is a deficient number, since it is larger than the sum of its proper divisors (1).

100469969 is an equidigital number, since it uses as much as digits as its factorization.

100469969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 100469969 is about 10023.4709058290. The cubic root of 100469969 is about 464.8848815117.

The spelling of 100469969 in words is "one hundred million, four hundred sixty-nine thousand, nine hundred sixty-nine".