6499123046 has 32 divisors (see below), whose sum is σ = 10648205568. Its totient is φ = 2957110560.

The previous prime is 6499123031. The next prime is 6499123049. The reversal of 6499123046 is 6403219946.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6499122988 and 6499123006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6499123049) 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 in 15 ways as a sum of consecutive naturals, for example, 602561 + ... + 613251.

It is an arithmetic number, because the mean of its divisors is an integer number (332756424).

Almost surely, 2^6499123046 is an apocalyptic number.

6499123046 is a deficient number, since it is larger than the sum of its proper divisors (4149082522).

6499123046 is a wasteful number, since it uses less digits than its factorization.

6499123046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11036.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 6499123046 is about 80617.1386617015. The cubic root of 6499123046 is about 1866.1716453880.

The spelling of 6499123046 in words is "six billion, four hundred ninety-nine million, one hundred twenty-three thousand, forty-six".