39793465685 has 8 divisors (see below), whose sum is σ = 47794915896. Its totient is φ = 31806267840.

The previous prime is 39793465589. The next prime is 39793465687. The reversal of 39793465685 is 58656439793.

It can be written as a sum of positive squares in 4 ways, for example, as 104060401 + 39689405284 = 10201^2 + 199222^2 .

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

It is not a de Polignac number, because 39793465685 - 2¹⁰ = 39793464661 is a prime.

It is a super-2 number, since 2×39793465685² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39793465687) 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, 3556946 + ... + 3568115.

It is an arithmetic number, because the mean of its divisors is an integer number (5974364487).

Almost surely, 2^39793465685 is an apocalyptic number.

It is an amenable number.

39793465685 is a deficient number, since it is larger than the sum of its proper divisors (8001450211).

39793465685 is a wasteful number, since it uses less digits than its factorization.

39793465685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7126183.

The product of its digits is 146966400, while the sum is 65.

The spelling of 39793465685 in words is "thirty-nine billion, seven hundred ninety-three million, four hundred sixty-five thousand, six hundred eighty-five".