6381474431 has 2 divisors, whose sum is σ = 6381474432. Its totient is φ = 6381474430.

The previous prime is 6381474419. The next prime is 6381474457. The reversal of 6381474431 is 1344741836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6381474431 - 2¹⁰ = 6381473407 is a prime.

It is a super-2 number, since 2×6381474431² = 81446431827013547522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6381474401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190737215 + 3190737216.

It is an arithmetic number, because the mean of its divisors is an integer number (3190737216).

Almost surely, 2^6381474431 is an apocalyptic number.

6381474431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6381474431 is an equidigital number, since it uses as much as digits as its factorization.

6381474431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 6381474431 is about 79884.1312840041. The cubic root of 6381474431 is about 1854.8423839557.

The spelling of 6381474431 in words is "six billion, three hundred eighty-one million, four hundred seventy-four thousand, four hundred thirty-one".