32165705249 has 2 divisors, whose sum is σ = 32165705250. Its totient is φ = 32165705248.

The previous prime is 32165705213. The next prime is 32165705261. The reversal of 32165705249 is 94250756123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23227893649 + 8937811600 = 152407^2 + 94540^2 .

It is a cyclic number.

It is not a de Polignac number, because 32165705249 - 2¹⁶ = 32165639713 is a prime.

It is not a weakly prime, because it can be changed into another prime (32165705149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16082852624 + 16082852625.

It is an arithmetic number, because the mean of its divisors is an integer number (16082852625).

Almost surely, 2^32165705249 is an apocalyptic number.

It is an amenable number.

32165705249 is a deficient number, since it is larger than the sum of its proper divisors (1).

32165705249 is an equidigital number, since it uses as much as digits as its factorization.

32165705249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 32165705249 in words is "thirty-two billion, one hundred sixty-five million, seven hundred five thousand, two hundred forty-nine".