6490297292 has 6 divisors (see below), whose sum is σ = 11358020268. Its totient is φ = 3245148644.

The previous prime is 6490297277. The next prime is 6490297357. The reversal of 6490297292 is 2927920946.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6490297292.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811287158 + ... + 811287165.

It is an arithmetic number, because the mean of its divisors is an integer number (1893003378).

Almost surely, 2^6490297292 is an apocalyptic number.

It is an amenable number.

6490297292 is a deficient number, since it is larger than the sum of its proper divisors (4867722976).

6490297292 is a wasteful number, since it uses less digits than its factorization.

6490297292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622574327 (or 1622574325 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 6490297292 is about 80562.3813699670. The cubic root of 6490297292 is about 1865.3265142875.

The spelling of 6490297292 in words is "six billion, four hundred ninety million, two hundred ninety-seven thousand, two hundred ninety-two".