100099991722439 has 2 divisors, whose sum is σ = 100099991722440. Its totient is φ = 100099991722438.

The previous prime is 100099991722403. The next prime is 100099991722441. The reversal of 100099991722439 is 934227199990001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100099991722439 - 2²⁰ = 100099990673863 is a prime.

It is a super-2 number, since 2×100099991722439² (a number of 29 digits) contains 22 as substring.

Together with 100099991722441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100099991722469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50049995861219 + 50049995861220.

It is an arithmetic number, because the mean of its divisors is an integer number (50049995861220).

Almost surely, 2^{100099991722439} is an apocalyptic number.

100099991722439 is a deficient number, since it is larger than the sum of its proper divisors (1).

100099991722439 is an equidigital number, since it uses as much as digits as its factorization.

100099991722439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19840464, while the sum is 65.

The spelling of 100099991722439 in words is "one hundred trillion, ninety-nine billion, nine hundred ninety-one million, seven hundred twenty-two thousand, four hundred thirty-nine".