7631245449 has 27 divisors (see below), whose sum is σ = 11343291687. Its totient is φ = 4943707344.

The previous prime is 7631245441. The next prime is 7631245451. The reversal of 7631245449 is 9445421367.

The square root of 7631245449 is 87357.

It is a perfect power (a square), and thus also a powerful number.

7631245449 is a `hidden beast` number, since 7 + 631 + 2 + 4 + 5 + 4 + 4 + 9 = 666.

7631245449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6828543225 + 802702224 = 82635^2 + 28332^2 .

It is not a de Polignac number, because 7631245449 - 2³ = 7631245441 is a prime.

It is a super-3 number, since 3×7631245449³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7631245441) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9696234 + ... + 9697020.

Almost surely, 2^7631245449 is an apocalyptic number.

7631245449 is the 87357-th square number.

7631245449 is the 43679-th centered octagonal number.

It is an amenable number.

7631245449 is a deficient number, since it is larger than the sum of its proper divisors (3712046238).

7631245449 is an frugal number, since it uses more digits than its factorization.

7631245449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 827 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The cubic root of 7631245449 is about 1968.7858261538.

The spelling of 7631245449 in words is "seven billion, six hundred thirty-one million, two hundred forty-five thousand, four hundred forty-nine".