6725953449 has 32 divisors (see below), whose sum is σ = 10177315200. Its totient is φ = 4388808960.

The previous prime is 6725953447. The next prime is 6725953453. The reversal of 6725953449 is 9443595276.

6725953449 is a `hidden beast` number, since 6 + 7 + 2 + 595 + 3 + 4 + 49 = 666.

It is not a de Polignac number, because 6725953449 - 2¹ = 6725953447 is a prime.

It is a super-3 number, since 3×6725953449³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6725953395 and 6725953404.

It is not an unprimeable number, because it can be changed into a prime (6725953447) 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, 362109 + ... + 380229.

It is an arithmetic number, because the mean of its divisors is an integer number (318041100).

Almost surely, 2^6725953449 is an apocalyptic number.

It is an amenable number.

6725953449 is a deficient number, since it is larger than the sum of its proper divisors (3451361751).

6725953449 is a wasteful number, since it uses less digits than its factorization.

6725953449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18422 (or 18416 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The square root of 6725953449 is about 82011.9104094033. The cubic root of 6725953449 is about 1887.6347004669.

The spelling of 6725953449 in words is "six billion, seven hundred twenty-five million, nine hundred fifty-three thousand, four hundred forty-nine".