100826230993 has 2 divisors, whose sum is σ = 100826230994. Its totient is φ = 100826230992.

The previous prime is 100826230991. The next prime is 100826231029. The reversal of 100826230993 is 399032628001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52412149969 + 48414081024 = 228937^2 + 220032^2 .

It is a cyclic number.

It is not a de Polignac number, because 100826230993 - 2¹ = 100826230991 is a prime.

Together with 100826230991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100826230991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50413115496 + 50413115497.

It is an arithmetic number, because the mean of its divisors is an integer number (50413115497).

Almost surely, 2^100826230993 is an apocalyptic number.

It is an amenable number.

100826230993 is a deficient number, since it is larger than the sum of its proper divisors (1).

100826230993 is an equidigital number, since it uses as much as digits as its factorization.

100826230993 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 43.

Adding to 100826230993 its reverse (399032628001), we get a palindrome (499858858994).

The spelling of 100826230993 in words is "one hundred billion, eight hundred twenty-six million, two hundred thirty thousand, nine hundred ninety-three".