6338183881 has 2 divisors, whose sum is σ = 6338183882. Its totient is φ = 6338183880.

The previous prime is 6338183869. The next prime is 6338183893. The reversal of 6338183881 is 1883818336.

It is a balanced prime because it is at equal distance from previous prime (6338183869) and next prime (6338183893).

It can be written as a sum of positive squares in only one way, i.e., 6231681481 + 106502400 = 78941^2 + 10320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6338183881 is a prime.

It is a super-2 number, since 2×6338183881² = 80345149818736444322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6338183821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3169091940 + 3169091941.

It is an arithmetic number, because the mean of its divisors is an integer number (3169091941).

Almost surely, 2^6338183881 is an apocalyptic number.

6338183881 is the 50352-nd centered pentagonal number.

It is an amenable number.

6338183881 is a deficient number, since it is larger than the sum of its proper divisors (1).

6338183881 is an equidigital number, since it uses as much as digits as its factorization.

6338183881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 49.

The square root of 6338183881 is about 79612.7118053392. The cubic root of 6338183881 is about 1850.6385797456.

The spelling of 6338183881 in words is "six billion, three hundred thirty-eight million, one hundred eighty-three thousand, eight hundred eighty-one".