39924629917 has 8 divisors (see below), whose sum is σ = 41134928256. Its totient is φ = 38729366592.

The previous prime is 39924629903. The next prime is 39924629951. The reversal of 39924629917 is 71992642993.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39924629917 is a prime.

It is a super-2 number, since 2×39924629917² (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 (39924629317) 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 7 ways as a sum of consecutive naturals, for example, 3753363 + ... + 3763984.

It is an arithmetic number, because the mean of its divisors is an integer number (5141866032).

Almost surely, 2^39924629917 is an apocalyptic number.

It is an amenable number.

39924629917 is a deficient number, since it is larger than the sum of its proper divisors (1210298339).

39924629917 is a wasteful number, since it uses less digits than its factorization.

39924629917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517507.

The product of its digits is 13226976, while the sum is 61.

The spelling of 39924629917 in words is "thirty-nine billion, nine hundred twenty-four million, six hundred twenty-nine thousand, nine hundred seventeen".