6424549331 has 2 divisors, whose sum is σ = 6424549332. Its totient is φ = 6424549330.

The previous prime is 6424549303. The next prime is 6424549343. The reversal of 6424549331 is 1339454246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6424549331 - 2¹⁰ = 6424548307 is a prime.

It is a super-2 number, since 2×6424549331² = 82549668212905095122, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6424549231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212274665 + 3212274666.

It is an arithmetic number, because the mean of its divisors is an integer number (3212274666).

Almost surely, 2^6424549331 is an apocalyptic number.

6424549331 is a deficient number, since it is larger than the sum of its proper divisors (1).

6424549331 is an equidigital number, since it uses as much as digits as its factorization.

6424549331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 41.

The square root of 6424549331 is about 80153.2864641245. The cubic root of 6424549331 is about 1859.0064191803.

The spelling of 6424549331 in words is "six billion, four hundred twenty-four million, five hundred forty-nine thousand, three hundred thirty-one".