32064448637969 has 24 divisors (see below), whose sum is σ = 35278775217000. Its totient is φ = 29121076638720.

The previous prime is 32064448637951. The next prime is 32064448638011. The reversal of 32064448637969 is 96973684446023.

It can be written as a sum of positive squares in 4 ways, for example, as 556299681025 + 31508148956944 = 745855^2 + 5613212^2 .

It is not a de Polignac number, because 32064448637969 - 2³² = 32060153670673 is a prime.

It is a super-2 number, since 2×32064448637969² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32064448637939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563207297 + ... + 563264225.

It is an arithmetic number, because the mean of its divisors is an integer number (1469948967375).

Almost surely, 2^{32064448637969} is an apocalyptic number.

It is an amenable number.

32064448637969 is a deficient number, since it is larger than the sum of its proper divisors (3214326579031).

32064448637969 is a wasteful number, since it uses less digits than its factorization.

32064448637969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61409 (or 61398 counting only the distinct ones).

The product of its (nonzero) digits is 1128701952, while the sum is 71.

The spelling of 32064448637969 in words is "thirty-two trillion, sixty-four billion, four hundred forty-eight million, six hundred thirty-seven thousand, nine hundred sixty-nine".