6496428744 has 80 divisors (see below), whose sum is σ = 19595734620. Its totient is φ = 1998898560.

The previous prime is 6496428737. The next prime is 6496428749. The reversal of 6496428744 is 4478246946.

6496428744 is a `hidden beast` number, since 64 + 96 + 428 + 74 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6401600100 + 94828644 = 80010^2 + 9738^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6496428749) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 377167 + ... + 394014.

Almost surely, 2^6496428744 is an apocalyptic number.

It is an amenable number.

6496428744 is an abundant number, since it is smaller than the sum of its proper divisors (13099305876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6496428744 is a wasteful number, since it uses less digits than its factorization.

6496428744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771212 (or 771199 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The square root of 6496428744 is about 80600.4264504847. The cubic root of 6496428744 is about 1865.9137272589.

The spelling of 6496428744 in words is "six billion, four hundred ninety-six million, four hundred twenty-eight thousand, seven hundred forty-four".