6430679854 has 16 divisors (see below), whose sum is σ = 9690490656. Its totient is φ = 3200551200.

The previous prime is 6430679771. The next prime is 6430679861. The reversal of 6430679854 is 4589760346.

It is a super-2 number, since 2×6430679854² = 82707286769282922632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 379879 + ... + 396445.

It is an arithmetic number, because the mean of its divisors is an integer number (605655666).

Almost surely, 2^6430679854 is an apocalyptic number.

6430679854 is a deficient number, since it is larger than the sum of its proper divisors (3259810802).

6430679854 is a wasteful number, since it uses less digits than its factorization.

6430679854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17451.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The square root of 6430679854 is about 80191.5198384468. The cubic root of 6430679854 is about 1859.5975402022.

The spelling of 6430679854 in words is "six billion, four hundred thirty million, six hundred seventy-nine thousand, eight hundred fifty-four".