100421745858339 has 4 divisors (see below), whose sum is σ = 133895661144456. Its totient is φ = 66947830572224.

The previous prime is 100421745858199. The next prime is 100421745858349. The reversal of 100421745858339 is 933858547124001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100421745858339 - 2⁹ = 100421745857827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100421745858349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16736957643054 + ... + 16736957643059.

It is an arithmetic number, because the mean of its divisors is an integer number (33473915286114).

Almost surely, 2^{100421745858339} is an apocalyptic number.

100421745858339 is a deficient number, since it is larger than the sum of its proper divisors (33473915286117).

100421745858339 is an equidigital number, since it uses as much as digits as its factorization.

100421745858339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33473915286116.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 100421745858339 in words is "one hundred trillion, four hundred twenty-one billion, seven hundred forty-five million, eight hundred fifty-eight thousand, three hundred thirty-nine".