39809330468 has 12 divisors (see below), whose sum is σ = 69678588252. Its totient is φ = 19901162400.

The previous prime is 39809330443. The next prime is 39809330503. The reversal of 39809330468 is 86403390893.

It can be written as a sum of positive squares in 2 ways, for example, as 37918993984 + 1890336484 = 194728^2 + 43478^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850055 + ... + 895662.

It is an arithmetic number, because the mean of its divisors is an integer number (5806549021).

Almost surely, 2^39809330468 is an apocalyptic number.

It is an amenable number.

39809330468 is a deficient number, since it is larger than the sum of its proper divisors (29869257784).

39809330468 is a wasteful number, since it uses less digits than its factorization.

39809330468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751422 (or 1751420 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 39809330468 in words is "thirty-nine billion, eight hundred nine million, three hundred thirty thousand, four hundred sixty-eight".