6835440431 has 2 divisors, whose sum is σ = 6835440432. Its totient is φ = 6835440430.

The previous prime is 6835440413. The next prime is 6835440463. The reversal of 6835440431 is 1340445386.

It is a happy number.

Together with previous prime (6835440413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6835440431 - 2¹⁴ = 6835424047 is a prime.

It is a super-2 number, since 2×6835440431² = 93446491771498931522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6835440401) 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, 3417720215 + 3417720216.

It is an arithmetic number, because the mean of its divisors is an integer number (3417720216).

Almost surely, 2^6835440431 is an apocalyptic number.

6835440431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6835440431 is an equidigital number, since it uses as much as digits as its factorization.

6835440431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 6835440431 is about 82676.7224253598. The cubic root of 6835440431 is about 1897.8221057208.

The spelling of 6835440431 in words is "six billion, eight hundred thirty-five million, four hundred forty thousand, four hundred thirty-one".