6455534649 has 8 divisors (see below), whose sum is σ = 8611078272. Its totient is φ = 4301840400.

The previous prime is 6455534599. The next prime is 6455534663. The reversal of 6455534649 is 9464355546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6455534649 - 2⁷ = 6455534521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6455534689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454177 + ... + 468174.

It is an arithmetic number, because the mean of its divisors is an integer number (1076384784).

Almost surely, 2^6455534649 is an apocalyptic number.

It is an amenable number.

6455534649 is a deficient number, since it is larger than the sum of its proper divisors (2155543623).

6455534649 is a wasteful number, since it uses less digits than its factorization.

6455534649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924687.

The product of its digits is 7776000, while the sum is 51.

The square root of 6455534649 is about 80346.3418520097. The cubic root of 6455534649 is about 1861.9902626436.

The spelling of 6455534649 in words is "six billion, four hundred fifty-five million, five hundred thirty-four thousand, six hundred forty-nine".