6448861353 has 16 divisors (see below), whose sum is σ = 9382982400. Its totient is φ = 3907225680.

The previous prime is 6448861339. The next prime is 6448861357. The reversal of 6448861353 is 3531688446.

It is not a de Polignac number, because 6448861353 - 2⁹ = 6448860841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6448861357) 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, 89178 + ... + 144396.

It is an arithmetic number, because the mean of its divisors is an integer number (586436400).

Almost surely, 2^6448861353 is an apocalyptic number.

It is an amenable number.

6448861353 is a deficient number, since it is larger than the sum of its proper divisors (2934121047).

6448861353 is a wasteful number, since it uses less digits than its factorization.

6448861353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58772.

The product of its digits is 1658880, while the sum is 48.

The square root of 6448861353 is about 80304.8028015759. The cubic root of 6448861353 is about 1861.3484414831.

The spelling of 6448861353 in words is "six billion, four hundred forty-eight million, eight hundred sixty-one thousand, three hundred fifty-three".