6467940299 has 2 divisors, whose sum is σ = 6467940300. Its totient is φ = 6467940298.

The previous prime is 6467940287. The next prime is 6467940317. The reversal of 6467940299 is 9920497646.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6467940299 is a prime.

It is a super-2 number, since 2×6467940299² = 83668503422856418802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6467940799) 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, 3233970149 + 3233970150.

It is an arithmetic number, because the mean of its divisors is an integer number (3233970150).

Almost surely, 2^6467940299 is an apocalyptic number.

6467940299 is a deficient number, since it is larger than the sum of its proper divisors (1).

6467940299 is an equidigital number, since it uses as much as digits as its factorization.

6467940299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The square root of 6467940299 is about 80423.5058860281. The cubic root of 6467940299 is about 1863.1822330430.

The spelling of 6467940299 in words is "six billion, four hundred sixty-seven million, nine hundred forty thousand, two hundred ninety-nine".