100694749 has 2 divisors, whose sum is σ = 100694750. Its totient is φ = 100694748.

The previous prime is 100694681. The next prime is 100694761. The reversal of 100694749 is 947496001.

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., 82264900 + 18429849 = 9070^2 + 4293^2 .

It is a cyclic number.

It is not a de Polignac number, because 100694749 - 2¹³ = 100686557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100694779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50347374 + 50347375.

It is an arithmetic number, because the mean of its divisors is an integer number (50347375).

Almost surely, 2^100694749 is an apocalyptic number.

It is an amenable number.

100694749 is a deficient number, since it is larger than the sum of its proper divisors (1).

100694749 is an equidigital number, since it uses as much as digits as its factorization.

100694749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 100694749 is about 10034.6773241595. The cubic root of 100694749 is about 465.2313166760.

The spelling of 100694749 in words is "one hundred million, six hundred ninety-four thousand, seven hundred forty-nine".