32690165749 has 2 divisors, whose sum is σ = 32690165750. Its totient is φ = 32690165748.

The previous prime is 32690165723. The next prime is 32690165773. The reversal of 32690165749 is 94756109623.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16781388849 + 15908776900 = 129543^2 + 126130^2 .

It is a cyclic number.

It is not a de Polignac number, because 32690165749 - 2³³ = 24100231157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32690165696 and 32690165705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32690165549) 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, 16345082874 + 16345082875.

It is an arithmetic number, because the mean of its divisors is an integer number (16345082875).

Almost surely, 2^32690165749 is an apocalyptic number.

It is an amenable number.

32690165749 is a deficient number, since it is larger than the sum of its proper divisors (1).

32690165749 is an equidigital number, since it uses as much as digits as its factorization.

32690165749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 32690165749 in words is "thirty-two billion, six hundred ninety million, one hundred sixty-five thousand, seven hundred forty-nine".