39936742659 has 16 divisors (see below), whose sum is σ = 64544231040. Its totient is φ = 24204086280.

The previous prime is 39936742631. The next prime is 39936742667. The reversal of 39936742659 is 95624763993.

39936742659 is a `hidden beast` number, since 3 + 9 + 9 + 367 + 4 + 265 + 9 = 666.

It is not a de Polignac number, because 39936742659 - 2²⁰ = 39935694083 is a prime.

It is a super-2 number, since 2×39936742659² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39936742596 and 39936742605.

It is not an unprimeable number, because it can be changed into a prime (39936742619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67233277 + ... + 67233870.

It is an arithmetic number, because the mean of its divisors is an integer number (4034014440).

Almost surely, 2^39936742659 is an apocalyptic number.

39936742659 is a deficient number, since it is larger than the sum of its proper divisors (24607488381).

39936742659 is a wasteful number, since it uses less digits than its factorization.

39936742659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134467167 (or 134467161 counting only the distinct ones).

The product of its digits is 66134880, while the sum is 63.

The spelling of 39936742659 in words is "thirty-nine billion, nine hundred thirty-six million, seven hundred forty-two thousand, six hundred fifty-nine".