32396431769 has 16 divisors (see below), whose sum is σ = 37939135248. Its totient is φ = 27384625152.

The previous prime is 32396431757. The next prime is 32396431777. The reversal of 32396431769 is 96713469323.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8406139225 + 23990292544 = 91685^2 + 154888^2 .

It is a cyclic number.

It is not a de Polignac number, because 32396431769 - 2⁸ = 32396431513 is a prime.

It is a super-2 number, since 2×32396431769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32396431769.

It is not an unprimeable number, because it can be changed into a prime (32396431709) 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 in 15 ways as a sum of consecutive naturals, for example, 1972772 + ... + 1989125.

It is an arithmetic number, because the mean of its divisors is an integer number (2371195953).

Almost surely, 2^32396431769 is an apocalyptic number.

It is an amenable number.

32396431769 is a deficient number, since it is larger than the sum of its proper divisors (5542703479).

32396431769 is a wasteful number, since it uses less digits than its factorization.

32396431769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961964.

The product of its digits is 4408992, while the sum is 53.

The spelling of 32396431769 in words is "thirty-two billion, three hundred ninety-six million, four hundred thirty-one thousand, seven hundred sixty-nine".