32169997469 has 2 divisors, whose sum is σ = 32169997470. Its totient is φ = 32169997468.

The previous prime is 32169997463. The next prime is 32169997471. The reversal of 32169997469 is 96479996123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18559975225 + 13610022244 = 136235^2 + 116662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32169997469 is a prime.

It is a super-2 number, since 2×32169997469² (a number of 22 digits) contains 22 as substring.

Together with 32169997471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32169997463) 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, 16084998734 + 16084998735.

It is an arithmetic number, because the mean of its divisors is an integer number (16084998735).

Almost surely, 2^32169997469 is an apocalyptic number.

It is an amenable number.

32169997469 is a deficient number, since it is larger than the sum of its proper divisors (1).

32169997469 is an equidigital number, since it uses as much as digits as its factorization.

32169997469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39680928, while the sum is 65.

The spelling of 32169997469 in words is "thirty-two billion, one hundred sixty-nine million, nine hundred ninety-seven thousand, four hundred sixty-nine".