39491883409 has 8 divisors (see below), whose sum is σ = 43083735552. Its totient is φ = 35900311440.

The previous prime is 39491883383. The next prime is 39491883467. The reversal of 39491883409 is 90438819493.

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

It is a cyclic number.

It is not a de Polignac number, because 39491883409 - 2⁵ = 39491883377 is a prime.

It is a super-2 number, since 2×39491883409² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39491880409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318352 + ... + 424654.

It is an arithmetic number, because the mean of its divisors is an integer number (5385466944).

Almost surely, 2^39491883409 is an apocalyptic number.

It is an amenable number.

39491883409 is a deficient number, since it is larger than the sum of its proper divisors (3591852143).

39491883409 is a wasteful number, since it uses less digits than its factorization.

39491883409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140087.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 39491883409 in words is "thirty-nine billion, four hundred ninety-one million, eight hundred eighty-three thousand, four hundred nine".