6448553013 has 32 divisors (see below), whose sum is σ = 10700236800. Its totient is φ = 3370562496.

The previous prime is 6448552991. The next prime is 6448553047. The reversal of 6448553013 is 3103558446.

It is not a de Polignac number, because 6448553013 - 2⁶ = 6448552949 is a prime.

It is a super-2 number, since 2×6448553013² = 83167671922942756338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448553053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267081 + ... + 290222.

It is an arithmetic number, because the mean of its divisors is an integer number (334382400).

Almost surely, 2^6448553013 is an apocalyptic number.

It is an amenable number.

6448553013 is a deficient number, since it is larger than the sum of its proper divisors (4251683787).

6448553013 is a wasteful number, since it uses less digits than its factorization.

6448553013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557361.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 6448553013 is about 80302.8829681724. The cubic root of 6448553013 is about 1861.3187754023.

The spelling of 6448553013 in words is "six billion, four hundred forty-eight million, five hundred fifty-three thousand, thirteen".