6490454038 has 16 divisors (see below), whose sum is σ = 10310717664. Its totient is φ = 3053635200.

The previous prime is 6490454029. The next prime is 6490454039. The reversal of 6490454038 is 8304540946.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6490453985 and 6490454003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490454039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149056 + ... + 187612.

It is an arithmetic number, because the mean of its divisors is an integer number (644419854).

Almost surely, 2^6490454038 is an apocalyptic number.

6490454038 is a deficient number, since it is larger than the sum of its proper divisors (3820263626).

6490454038 is a wasteful number, since it uses less digits than its factorization.

6490454038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43527.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 6490454038 is about 80563.3541878688. The cubic root of 6490454038 is about 1865.3415305548.

The spelling of 6490454038 in words is "six billion, four hundred ninety million, four hundred fifty-four thousand, thirty-eight".