6381338303 has 4 divisors (see below), whose sum is σ = 6381502920. Its totient is φ = 6381173688.

The previous prime is 6381338279. The next prime is 6381338317. The reversal of 6381338303 is 3038331836.

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 6381338303 - 2⁶ = 6381338239 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 (6381338363) 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, 11408 + ... + 113546.

It is an arithmetic number, because the mean of its divisors is an integer number (1595375730).

Almost surely, 2^6381338303 is an apocalyptic number.

6381338303 is a deficient number, since it is larger than the sum of its proper divisors (164617).

6381338303 is a wasteful number, since it uses less digits than its factorization.

6381338303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164616.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 6381338303 is about 79883.2792454090. The cubic root of 6381338303 is about 1854.8291948523.

The spelling of 6381338303 in words is "six billion, three hundred eighty-one million, three hundred thirty-eight thousand, three hundred three".