100249769 has 2 divisors, whose sum is σ = 100249770. Its totient is φ = 100249768.

The previous prime is 100249763. The next prime is 100249777. The reversal of 100249769 is 967942001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92409769 + 7840000 = 9613^2 + 2800^2 .

It is a cyclic number.

It is not a de Polignac number, because 100249769 - 2¹⁶ = 100184233 is a prime.

It is a super-2 number, since 2×100249769² = 20100032369106722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100249763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50124884 + 50124885.

It is an arithmetic number, because the mean of its divisors is an integer number (50124885).

Almost surely, 2^100249769 is an apocalyptic number.

It is an amenable number.

100249769 is a deficient number, since it is larger than the sum of its proper divisors (1).

100249769 is an equidigital number, since it uses as much as digits as its factorization.

100249769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 100249769 is about 10012.4806616542. The cubic root of 100249769 is about 464.5450037369.

The spelling of 100249769 in words is "one hundred million, two hundred forty-nine thousand, seven hundred sixty-nine".