100614644021 has 2 divisors, whose sum is σ = 100614644022. Its totient is φ = 100614644020.

The previous prime is 100614643993. The next prime is 100614644023. The reversal of 100614644021 is 120446416001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88378965796 + 12235678225 = 297286^2 + 110615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100614644021 is a prime.

Together with 100614644023, 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 (100614644023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50307322010 + 50307322011.

It is an arithmetic number, because the mean of its divisors is an integer number (50307322011).

Almost surely, 2^100614644021 is an apocalyptic number.

It is an amenable number.

100614644021 is a deficient number, since it is larger than the sum of its proper divisors (1).

100614644021 is an equidigital number, since it uses as much as digits as its factorization.

100614644021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 100614644021 in words is "one hundred billion, six hundred fourteen million, six hundred forty-four thousand, twenty-one".