38642948711 has 4 divisors (see below), whose sum is σ = 38666131512. Its totient is φ = 38619765912.

The previous prime is 38642948699. The next prime is 38642948719. The reversal of 38642948711 is 11784924683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38642948711 - 2¹⁰ = 38642947687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38642948719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11588900 + ... + 11592233.

It is an arithmetic number, because the mean of its divisors is an integer number (9666532878).

Almost surely, 2^38642948711 is an apocalyptic number.

38642948711 is a deficient number, since it is larger than the sum of its proper divisors (23182801).

38642948711 is a wasteful number, since it uses less digits than its factorization.

38642948711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23182800.

The product of its digits is 2322432, while the sum is 53.

The spelling of 38642948711 in words is "thirty-eight billion, six hundred forty-two million, nine hundred forty-eight thousand, seven hundred eleven".