100813749221039 has 2 divisors, whose sum is σ = 100813749221040. Its totient is φ = 100813749221038.

The previous prime is 100813749221011. The next prime is 100813749221083. The reversal of 100813749221039 is 930122947318001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100813749221039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100813749821039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50406874610519 + 50406874610520.

It is an arithmetic number, because the mean of its divisors is an integer number (50406874610520).

Almost surely, 2^{100813749221039} is an apocalyptic number.

100813749221039 is a deficient number, since it is larger than the sum of its proper divisors (1).

100813749221039 is an equidigital number, since it uses as much as digits as its factorization.

100813749221039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 100813749221039 in words is "one hundred trillion, eight hundred thirteen billion, seven hundred forty-nine million, two hundred twenty-one thousand, thirty-nine".