6447013461 has 24 divisors (see below), whose sum is σ = 11009681280. Its totient is φ = 3556971936.

The previous prime is 6447013423. The next prime is 6447013493. The reversal of 6447013461 is 1643107446.

6447013461 is a `hidden beast` number, since 644 + 7 + 0 + 1 + 3 + 4 + 6 + 1 = 666.

It is not a de Polignac number, because 6447013461 - 2¹³ = 6447005269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6447013361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1762545 + ... + 1766198.

It is an arithmetic number, because the mean of its divisors is an integer number (458736720).

Almost surely, 2^6447013461 is an apocalyptic number.

It is an amenable number.

6447013461 is a deficient number, since it is larger than the sum of its proper divisors (4562667819).

6447013461 is a wasteful number, since it uses less digits than its factorization.

6447013461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528785 (or 3528782 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 6447013461 is about 80293.2964885612. The cubic root of 6447013461 is about 1861.1706375118.

The spelling of 6447013461 in words is "six billion, four hundred forty-seven million, thirteen thousand, four hundred sixty-one".