6490660946 has 48 divisors (see below), whose sum is σ = 12874102080. Its totient is φ = 2395720800.

The previous prime is 6490660937. The next prime is 6490660963.

It is a happy number.

6490660946 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6490660946² = 84257359031859229832, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6490660894 and 6490660903.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68645 + ... + 133016.

It is an arithmetic number, because the mean of its divisors is an integer number (268210460).

Almost surely, 2^6490660946 is an apocalyptic number.

6490660946 is a deficient number, since it is larger than the sum of its proper divisors (6383441134).

6490660946 is a wasteful number, since it uses less digits than its factorization.

6490660946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201711 (or 201700 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The square root of 6490660946 is about 80564.6383098689. The cubic root of 6490660946 is about 1865.3613519716.

The spelling of 6490660946 in words is "six billion, four hundred ninety million, six hundred sixty thousand, nine hundred forty-six".