7224037691049 has 27 divisors (see below), whose sum is σ = 10908410046807. Its totient is φ = 4606514469216.

The previous prime is 7224037691009. The next prime is 7224037691053. The reversal of 7224037691049 is 9401967304227.

The square root of 7224037691049 is 2687757.

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

7224037691049 is a `hidden beast` number, since 7 + 224 + 0 + 376 + 9 + 1 + 0 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7117610373225 + 106427317824 = 2667885^2 + 326232^2 .

It is not a de Polignac number, because 7224037691049 - 2⁷ = 7224037690921 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7224037690986 and 7224037691004.

It is not an unprimeable number, because it can be changed into a prime (7224037691009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 185435757 + ... + 185474709.

Almost surely, 2^{7224037691049} is an apocalyptic number.

7224037691049 is the 2687757-th square number.

7224037691049 is the 1343879-th centered octagonal number.

It is an amenable number.

7224037691049 is a deficient number, since it is larger than the sum of its proper divisors (3684372355758).

7224037691049 is an frugal number, since it uses more digits than its factorization.

7224037691049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77958 (or 38979 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 7224037691049 in words is "seven trillion, two hundred twenty-four billion, thirty-seven million, six hundred ninety-one thousand, forty-nine".