32610113261981 has 2 divisors, whose sum is σ = 32610113261982. Its totient is φ = 32610113261980.

The previous prime is 32610113261963. The next prime is 32610113262073. The reversal of 32610113261981 is 18916231101623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32322351825625 + 287761436356 = 5685275^2 + 536434^2 .

It is a cyclic number.

It is not a de Polignac number, because 32610113261981 - 2³⁴ = 32592933392797 is a prime.

It is a super-2 number, since 2×32610113261981² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32610113251981) 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, 16305056630990 + 16305056630991.

It is an arithmetic number, because the mean of its divisors is an integer number (16305056630991).

Almost surely, 2^{32610113261981} is an apocalyptic number.

It is an amenable number.

32610113261981 is a deficient number, since it is larger than the sum of its proper divisors (1).

32610113261981 is an equidigital number, since it uses as much as digits as its factorization.

32610113261981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 32610113261981 in words is "thirty-two trillion, six hundred ten billion, one hundred thirteen million, two hundred sixty-one thousand, nine hundred eighty-one".