6446246804 has 6 divisors (see below), whose sum is σ = 11280931914. Its totient is φ = 3223123400.

The previous prime is 6446246803. The next prime is 6446246809. The reversal of 6446246804 is 4086426446.

It can be written as a sum of positive squares in only one way, i.e., 3497539600 + 2948707204 = 59140^2 + 54302^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6446246803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805780847 + ... + 805780854.

It is an arithmetic number, because the mean of its divisors is an integer number (1880155319).

Almost surely, 2^6446246804 is an apocalyptic number.

It is an amenable number.

6446246804 is a deficient number, since it is larger than the sum of its proper divisors (4834685110).

6446246804 is a wasteful number, since it uses less digits than its factorization.

6446246804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611561705 (or 1611561703 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 44.

The square root of 6446246804 is about 80288.5222432198. The cubic root of 6446246804 is about 1861.0968598849.

The spelling of 6446246804 in words is "six billion, four hundred forty-six million, two hundred forty-six thousand, eight hundred four".