6376655381 has 2 divisors, whose sum is σ = 6376655382. Its totient is φ = 6376655380.

The previous prime is 6376655371. The next prime is 6376655423. The reversal of 6376655381 is 1835566736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6337592881 + 39062500 = 79609^2 + 6250^2 .

It is a cyclic number.

It is not a de Polignac number, because 6376655381 - 2⁶ = 6376655317 is a prime.

It is a super-2 number, since 2×6376655381² = 81323467696072510322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6376655321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3188327690 + 3188327691.

It is an arithmetic number, because the mean of its divisors is an integer number (3188327691).

Almost surely, 2^6376655381 is an apocalyptic number.

It is an amenable number.

6376655381 is a deficient number, since it is larger than the sum of its proper divisors (1).

6376655381 is an equidigital number, since it uses as much as digits as its factorization.

6376655381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 50.

The square root of 6376655381 is about 79853.9628384215. The cubic root of 6376655381 is about 1854.3753639246.

The spelling of 6376655381 in words is "six billion, three hundred seventy-six million, six hundred fifty-five thousand, three hundred eighty-one".