39677549813 has 8 divisors (see below), whose sum is σ = 43550151456. Its totient is φ = 35849206800.

The previous prime is 39677549801. The next prime is 39677549839. The reversal of 39677549813 is 31894577693.

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

It is not a de Polignac number, because 39677549813 - 2⁶ = 39677549749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39677549713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11062778 + ... + 11066363.

It is an arithmetic number, because the mean of its divisors is an integer number (5443768932).

Almost surely, 2^39677549813 is an apocalyptic number.

It is an amenable number.

39677549813 is a deficient number, since it is larger than the sum of its proper divisors (3872601643).

39677549813 is a wasteful number, since it uses less digits than its factorization.

39677549813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22129315.

The product of its digits is 34292160, while the sum is 62.

The spelling of 39677549813 in words is "thirty-nine billion, six hundred seventy-seven million, five hundred forty-nine thousand, eight hundred thirteen".