6479449746 has 64 divisors (see below), whose sum is σ = 16171094016. Its totient is φ = 1681459200.

The previous prime is 6479449741. The next prime is 6479449777.

6479449746 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6479449746.

It is not an unprimeable number, because it can be changed into a prime (6479449741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 563026 + ... + 574418.

It is an arithmetic number, because the mean of its divisors is an integer number (252673344).

Almost surely, 2^6479449746 is an apocalyptic number.

6479449746 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6479449746 is an abundant number, since it is smaller than the sum of its proper divisors (9691644270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6479449746 is a wasteful number, since it uses less digits than its factorization.

6479449746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12647.

The product of its digits is 36578304, while the sum is 60.

The square root of 6479449746 is about 80495.0293247974. The cubic root of 6479449746 is about 1864.2867314886.

The spelling of 6479449746 in words is "six billion, four hundred seventy-nine million, four hundred forty-nine thousand, seven hundred forty-six".