100243342399 has 2 divisors, whose sum is σ = 100243342400. Its totient is φ = 100243342398.

The previous prime is 100243342357. The next prime is 100243342421. The reversal of 100243342399 is 993243342001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (993243342001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100243342399 - 2⁷ = 100243342271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100243342799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50121671199 + 50121671200.

It is an arithmetic number, because the mean of its divisors is an integer number (50121671200).

Almost surely, 2^100243342399 is an apocalyptic number.

100243342399 is a deficient number, since it is larger than the sum of its proper divisors (1).

100243342399 is an equidigital number, since it uses as much as digits as its factorization.

100243342399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 100243342399 in words is "one hundred billion, two hundred forty-three million, three hundred forty-two thousand, three hundred ninety-nine".