100444420093 has 2 divisors, whose sum is σ = 100444420094. Its totient is φ = 100444420092.

The previous prime is 100444420001. The next prime is 100444420103. The reversal of 100444420093 is 390024444001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57035947684 + 43408472409 = 238822^2 + 208347^2 .

It is a cyclic number.

It is not a de Polignac number, because 100444420093 - 2¹⁷ = 100444289021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100444427093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50222210046 + 50222210047.

It is an arithmetic number, because the mean of its divisors is an integer number (50222210047).

Almost surely, 2^100444420093 is an apocalyptic number.

It is an amenable number.

100444420093 is a deficient number, since it is larger than the sum of its proper divisors (1).

100444420093 is an equidigital number, since it uses as much as digits as its factorization.

100444420093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 100444420093 its reverse (390024444001), we get a palindrome (490468864094).

The spelling of 100444420093 in words is "one hundred billion, four hundred forty-four million, four hundred twenty thousand, ninety-three".