6338920873 has 4 divisors (see below), whose sum is σ = 6344147908. Its totient is φ = 6333693840.

The previous prime is 6338920859. The next prime is 6338920897. The reversal of 6338920873 is 3780298336.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3796038544 + 2542882329 = 61612^2 + 50427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6338920873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6338920823) 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, 2611698 + ... + 2614123.

It is an arithmetic number, because the mean of its divisors is an integer number (1586036977).

Almost surely, 2^6338920873 is an apocalyptic number.

It is an amenable number.

6338920873 is a deficient number, since it is larger than the sum of its proper divisors (5227035).

6338920873 is a wasteful number, since it uses less digits than its factorization.

6338920873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227034.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 6338920873 is about 79617.3402783590. The cubic root of 6338920873 is about 1850.7103065469.

The spelling of 6338920873 in words is "six billion, three hundred thirty-eight million, nine hundred twenty thousand, eight hundred seventy-three".