39699306439 has 8 divisors (see below), whose sum is σ = 45003262640. Its totient is φ = 34716802176.

The previous prime is 39699306407. The next prime is 39699306467. The reversal of 39699306439 is 93460399693.

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 39699306439 - 2⁵ = 39699306407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39699306499) 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, 80362722 + ... + 80363215.

It is an arithmetic number, because the mean of its divisors is an integer number (5625407830).

Almost surely, 2^39699306439 is an apocalyptic number.

39699306439 is a deficient number, since it is larger than the sum of its proper divisors (5303956201).

39699306439 is a wasteful number, since it uses less digits than its factorization.

39699306439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160725969.

The product of its (nonzero) digits is 25509168, while the sum is 61.

The spelling of 39699306439 in words is "thirty-nine billion, six hundred ninety-nine million, three hundred six thousand, four hundred thirty-nine".