39746664793 has 12 divisors (see below), whose sum is σ = 44618031360. Its totient is φ = 35364532280.

The previous prime is 39746664733. The next prime is 39746664847.

39746664793 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-39746664793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39746664733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3488833 + ... + 3500206.

It is an arithmetic number, because the mean of its divisors is an integer number (3718169280).

Almost surely, 2^39746664793 is an apocalyptic number.

It is an amenable number.

39746664793 is a deficient number, since it is larger than the sum of its proper divisors (4871366567).

39746664793 is a wasteful number, since it uses less digits than its factorization.

39746664793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6989108 (or 6989097 counting only the distinct ones).

The product of its digits is 123451776, while the sum is 64.

The spelling of 39746664793 in words is "thirty-nine billion, seven hundred forty-six million, six hundred sixty-four thousand, seven hundred ninety-three".