32013921169 has 2 divisors, whose sum is σ = 32013921170. Its totient is φ = 32013921168.

The previous prime is 32013921139. The next prime is 32013921221. The reversal of 32013921169 is 96112931023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31724240769 + 289680400 = 178113^2 + 17020^2 .

It is a cyclic number.

It is not a de Polignac number, because 32013921169 - 2⁹ = 32013920657 is a prime.

It is a super-2 number, since 2×32013921169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32013921139) 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, 16006960584 + 16006960585.

It is an arithmetic number, because the mean of its divisors is an integer number (16006960585).

Almost surely, 2^32013921169 is an apocalyptic number.

It is an amenable number.

32013921169 is a deficient number, since it is larger than the sum of its proper divisors (1).

32013921169 is an equidigital number, since it uses as much as digits as its factorization.

32013921169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 32013921169 in words is "thirty-two billion, thirteen million, nine hundred twenty-one thousand, one hundred sixty-nine".