13301220001973 has 2 divisors, whose sum is σ = 13301220001974. Its totient is φ = 13301220001972.

The previous prime is 13301220001963. The next prime is 13301220002011. The reversal of 13301220001973 is 37910002210331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12881157875089 + 420062126884 = 3589033^2 + 648122^2 .

It is a cyclic number.

It is not a de Polignac number, because 13301220001973 - 2¹⁶ = 13301219936437 is a prime.

It is a super-2 number, since 2×13301220001973² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13301220001933) 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, 6650610000986 + 6650610000987.

It is an arithmetic number, because the mean of its divisors is an integer number (6650610000987).

Almost surely, 2^{13301220001973} is an apocalyptic number.

It is an amenable number.

13301220001973 is a deficient number, since it is larger than the sum of its proper divisors (1).

13301220001973 is an equidigital number, since it uses as much as digits as its factorization.

13301220001973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 13301220001973 in words is "thirteen trillion, three hundred one billion, two hundred twenty million, one thousand, nine hundred seventy-three".