39723229085 has 8 divisors (see below), whose sum is σ = 47697291096. Its totient is φ = 31758972480.

The previous prime is 39723229067. The next prime is 39723229123. The reversal of 39723229085 is 58092232793.

It can be written as a sum of positive squares in 4 ways, for example, as 571879396 + 39151349689 = 23914^2 + 197867^2 .

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

It is not a de Polignac number, because 39723229085 - 2⁸ = 39723228829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2442434 + ... + 2458643.

It is an arithmetic number, because the mean of its divisors is an integer number (5962161387).

Almost surely, 2^39723229085 is an apocalyptic number.

It is an amenable number.

39723229085 is a deficient number, since it is larger than the sum of its proper divisors (7974062011).

39723229085 is a wasteful number, since it uses less digits than its factorization.

39723229085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902703.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 39723229085 in words is "thirty-nine billion, seven hundred twenty-three million, two hundred twenty-nine thousand, eighty-five".