6138481333 has 2 divisors, whose sum is σ = 6138481334. Its totient is φ = 6138481332.

The previous prime is 6138481313. The next prime is 6138481367. The reversal of 6138481333 is 3331848316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5873996164 + 264485169 = 76642^2 + 16263^2 .

It is a cyclic number.

It is not a de Polignac number, because 6138481333 - 2¹⁷ = 6138350261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6138481303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069240666 + 3069240667.

It is an arithmetic number, because the mean of its divisors is an integer number (3069240667).

Almost surely, 2^6138481333 is an apocalyptic number.

It is an amenable number.

6138481333 is a deficient number, since it is larger than the sum of its proper divisors (1).

6138481333 is an equidigital number, since it uses as much as digits as its factorization.

6138481333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 6138481333 is about 78348.4609485087. The cubic root of 6138481333 is about 1830.9942473647.

The spelling of 6138481333 in words is "six billion, one hundred thirty-eight million, four hundred eighty-one thousand, three hundred thirty-three".