6881434451 has 2 divisors, whose sum is σ = 6881434452. Its totient is φ = 6881434450.

The previous prime is 6881434409. The next prime is 6881434457. The reversal of 6881434451 is 1544341886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6881434451 - 2⁶ = 6881434387 is a prime.

It is a super-3 number, since 3×6881434451³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6881434457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3440717225 + 3440717226.

It is an arithmetic number, because the mean of its divisors is an integer number (3440717226).

Almost surely, 2^6881434451 is an apocalyptic number.

6881434451 is a deficient number, since it is larger than the sum of its proper divisors (1).

6881434451 is an equidigital number, since it uses as much as digits as its factorization.

6881434451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 44.

The square root of 6881434451 is about 82954.4118838775. The cubic root of 6881434451 is about 1902.0692553812.

The spelling of 6881434451 in words is "six billion, eight hundred eighty-one million, four hundred thirty-four thousand, four hundred fifty-one".