6732857649 has 16 divisors (see below), whose sum is σ = 10269915008. Its totient is φ = 3843476352.

The previous prime is 6732857647. The next prime is 6732857653. The reversal of 6732857649 is 9467582376.

It is not a de Polignac number, because 6732857649 - 2¹ = 6732857647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6732857647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139852 + ... + 181725.

It is an arithmetic number, because the mean of its divisors is an integer number (641869688).

Almost surely, 2^6732857649 is an apocalyptic number.

It is an amenable number.

6732857649 is a deficient number, since it is larger than the sum of its proper divisors (3537057359).

6732857649 is a wasteful number, since it uses less digits than its factorization.

6732857649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322584.

The product of its digits is 15240960, while the sum is 57.

The square root of 6732857649 is about 82053.9922794741. The cubic root of 6732857649 is about 1888.2803660869.

The spelling of 6732857649 in words is "six billion, seven hundred thirty-two million, eight hundred fifty-seven thousand, six hundred forty-nine".