39738790641 has 8 divisors (see below), whose sum is σ = 57801877344. Its totient is φ = 24084115520.

The previous prime is 39738790627. The next prime is 39738790687. The reversal of 39738790641 is 14609783793.

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 39738790641 - 2⁶ = 39738790577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39738790621) 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, 602102856 + ... + 602102921.

It is an arithmetic number, because the mean of its divisors is an integer number (7225234668).

Almost surely, 2^39738790641 is an apocalyptic number.

It is an amenable number.

39738790641 is a deficient number, since it is larger than the sum of its proper divisors (18063086703).

39738790641 is a wasteful number, since it uses less digits than its factorization.

39738790641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204205791.

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 39738790641 in words is "thirty-nine billion, seven hundred thirty-eight million, seven hundred ninety thousand, six hundred forty-one".