100395749 has 2 divisors, whose sum is σ = 100395750. Its totient is φ = 100395748.

The previous prime is 100395703. The next prime is 100395769. The reversal of 100395749 is 947593001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74822500 + 25573249 = 8650^2 + 5057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100395749 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100395769) 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 as a sum of consecutive naturals, namely, 50197874 + 50197875.

It is an arithmetic number, because the mean of its divisors is an integer number (50197875).

Almost surely, 2^100395749 is an apocalyptic number.

It is an amenable number.

100395749 is a deficient number, since it is larger than the sum of its proper divisors (1).

100395749 is an equidigital number, since it uses as much as digits as its factorization.

100395749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 100395749 is about 10019.7679114838. The cubic root of 100395749 is about 464.7703787867.

The spelling of 100395749 in words is "one hundred million, three hundred ninety-five thousand, seven hundred forty-nine".