6459491744 has 12 divisors (see below), whose sum is σ = 12717124434. Its totient is φ = 3229745856.

The previous prime is 6459491729. The next prime is 6459491767. The reversal of 6459491744 is 4471949546.

It can be written as a sum of positive squares in only one way, i.e., 6430115344 + 29376400 = 80188^2 + 5420^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100929527 + ... + 100929590.

Almost surely, 2^6459491744 is an apocalyptic number.

It is an amenable number.

6459491744 is a deficient number, since it is larger than the sum of its proper divisors (6257632690).

6459491744 is a wasteful number, since it uses less digits than its factorization.

6459491744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201859127 (or 201859119 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The square root of 6459491744 is about 80370.9633138735. The cubic root of 6459491744 is about 1862.3706374064.

The spelling of 6459491744 in words is "six billion, four hundred fifty-nine million, four hundred ninety-one thousand, seven hundred forty-four".