103444333653721 has 2 divisors, whose sum is σ = 103444333653722. Its totient is φ = 103444333653720.

The previous prime is 103444333653641. The next prime is 103444333653799. The reversal of 103444333653721 is 127356333444301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100628263700496 + 2816069953225 = 10031364^2 + 1678115^2 .

It is a cyclic number.

It is not a de Polignac number, because 103444333653721 - 2³³ = 103435743719129 is a prime.

It is not a weakly prime, because it can be changed into another prime (103444333623721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51722166826860 + 51722166826861.

It is an arithmetic number, because the mean of its divisors is an integer number (51722166826861).

Almost surely, 2^{103444333653721} is an apocalyptic number.

It is an amenable number.

103444333653721 is a deficient number, since it is larger than the sum of its proper divisors (1).

103444333653721 is an equidigital number, since it uses as much as digits as its factorization.

103444333653721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 49.

The spelling of 103444333653721 in words is "one hundred three trillion, four hundred forty-four billion, three hundred thirty-three million, six hundred fifty-three thousand, seven hundred twenty-one".