6448858437 has 16 divisors (see below), whose sum is σ = 9901850112. Its totient is φ = 3656930160.

The previous prime is 6448858433. The next prime is 6448858453. The reversal of 6448858437 is 7348588446.

It is not a de Polignac number, because 6448858437 - 2² = 6448858433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448858433) 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, 1169343 + ... + 1174844.

It is an arithmetic number, because the mean of its divisors is an integer number (618865632).

Almost surely, 2^6448858437 is an apocalyptic number.

It is an amenable number.

6448858437 is a deficient number, since it is larger than the sum of its proper divisors (3452991675).

6448858437 is a wasteful number, since it uses less digits than its factorization.

6448858437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344328.

The product of its digits is 20643840, while the sum is 57.

The square root of 6448858437 is about 80304.7846457482. The cubic root of 6448858437 is about 1861.3481609327.

The spelling of 6448858437 in words is "six billion, four hundred forty-eight million, eight hundred fifty-eight thousand, four hundred thirty-seven".