6468049090 has 16 divisors (see below), whose sum is σ = 11757762360. Its totient is φ = 2561603200.

The previous prime is 6468049087. The next prime is 6468049123. The reversal of 6468049090 is 909408646.

It can be written as a sum of positive squares in 4 ways, for example, as 6268363929 + 199685161 = 79173^2 + 14131^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6468049090.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3200995 + ... + 3203014.

Almost surely, 2^6468049090 is an apocalyptic number.

6468049090 is a deficient number, since it is larger than the sum of its proper divisors (5289713270).

6468049090 is a wasteful number, since it uses less digits than its factorization.

6468049090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404117.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 6468049090 is about 80424.1822463866. The cubic root of 6468049090 is about 1863.1926792496.

The spelling of 6468049090 in words is "six billion, four hundred sixty-eight million, forty-nine thousand, ninety".