39494689741 has 12 divisors (see below), whose sum is σ = 42865744320. Its totient is φ = 36371983440.

The previous prime is 39494689733. The next prime is 39494689747. The reversal of 39494689741 is 14798649493.

It is not a de Polignac number, because 39494689741 - 2³ = 39494689733 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 (39494689747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198271 + ... + 343948.

It is an arithmetic number, because the mean of its divisors is an integer number (3572145360).

Almost surely, 2^39494689741 is an apocalyptic number.

It is an amenable number.

39494689741 is a deficient number, since it is larger than the sum of its proper divisors (3371054579).

39494689741 is a wasteful number, since it uses less digits than its factorization.

39494689741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542676 (or 542663 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 64.

The spelling of 39494689741 in words is "thirty-nine billion, four hundred ninety-four million, six hundred eighty-nine thousand, seven hundred forty-one".