39916288069 has 8 divisors (see below), whose sum is σ = 45619880000. Its totient is φ = 34213012416.

The previous prime is 39916288057. The next prime is 39916288081. The reversal of 39916288069 is 96088261993.

It is an interprime number because it is at equal distance from previous prime (39916288057) and next prime (39916288081).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39916288069 - 2¹⁷ = 39916156997 is a prime.

It is a super-2 number, since 2×39916288069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39916287998 and 39916288016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39916228069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338182 + ... + 440680.

It is an arithmetic number, because the mean of its divisors is an integer number (5702485000).

Almost surely, 2^39916288069 is an apocalyptic number.

It is an amenable number.

39916288069 is a deficient number, since it is larger than the sum of its proper divisors (5703591931).

39916288069 is a wasteful number, since it uses less digits than its factorization.

39916288069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158139.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The spelling of 39916288069 in words is "thirty-nine billion, nine hundred sixteen million, two hundred eighty-eight thousand, sixty-nine".