6467843998 has 32 divisors (see below), whose sum is σ = 12732330240. Its totient is φ = 2387309760.

The previous prime is 6467843983. The next prime is 6467844037. The reversal of 6467843998 is 8993487646.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1102311 + ... + 1108162.

It is an arithmetic number, because the mean of its divisors is an integer number (397885320).

Almost surely, 2^6467843998 is an apocalyptic number.

6467843998 is a deficient number, since it is larger than the sum of its proper divisors (6264486242).

6467843998 is a wasteful number, since it uses less digits than its factorization.

6467843998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210512.

The product of its digits is 62705664, while the sum is 64.

The square root of 6467843998 is about 80422.9071720241. The cubic root of 6467843998 is about 1863.1729860394.

The spelling of 6467843998 in words is "six billion, four hundred sixty-seven million, eight hundred forty-three thousand, nine hundred ninety-eight".