38648942641 has 8 divisors (see below), whose sum is σ = 38960912384. Its totient is φ = 38337092640.

The previous prime is 38648942639. The next prime is 38648942681. The reversal of 38648942641 is 14624984683.

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 38648942641 - 2¹ = 38648942639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38648942681) 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, 687061 + ... + 741181.

It is an arithmetic number, because the mean of its divisors is an integer number (4870114048).

Almost surely, 2^38648942641 is an apocalyptic number.

It is an amenable number.

38648942641 is a deficient number, since it is larger than the sum of its proper divisors (311969743).

38648942641 is a wasteful number, since it uses less digits than its factorization.

38648942641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59871.

The product of its digits is 7962624, while the sum is 55.

The spelling of 38648942641 in words is "thirty-eight billion, six hundred forty-eight million, nine hundred forty-two thousand, six hundred forty-one".