103330506563621 has 2 divisors, whose sum is σ = 103330506563622. Its totient is φ = 103330506563620.

The previous prime is 103330506563617. The next prime is 103330506563629. The reversal of 103330506563621 is 126365605033301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96663524361121 + 6666982202500 = 9831761^2 + 2582050^2 .

It is an emirp because it is prime and its reverse (126365605033301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103330506563621 - 2² = 103330506563617 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103330506563629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51665253281810 + 51665253281811.

It is an arithmetic number, because the mean of its divisors is an integer number (51665253281811).

Almost surely, 2^{103330506563621} is an apocalyptic number.

It is an amenable number.

103330506563621 is a deficient number, since it is larger than the sum of its proper divisors (1).

103330506563621 is an equidigital number, since it uses as much as digits as its factorization.

103330506563621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 44.

The spelling of 103330506563621 in words is "one hundred three trillion, three hundred thirty billion, five hundred six million, five hundred sixty-three thousand, six hundred twenty-one".