7249415489 has 4 divisors (see below), whose sum is σ = 7256516820. Its totient is φ = 7242314160.

The previous prime is 7249415483. The next prime is 7249415507. The reversal of 7249415489 is 9845149427.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2239182400 + 5010233089 = 47320^2 + 70783^2 .

It is a cyclic number.

It is not a de Polignac number, because 7249415489 - 2⁴ = 7249415473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7249415489.

It is not an unprimeable number, because it can be changed into a prime (7249415483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3549134 + ... + 3551175.

It is an arithmetic number, because the mean of its divisors is an integer number (1814129205).

Almost surely, 2^7249415489 is an apocalyptic number.

It is an amenable number.

7249415489 is a deficient number, since it is larger than the sum of its proper divisors (7101331).

7249415489 is a wasteful number, since it uses less digits than its factorization.

7249415489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101330.

The product of its digits is 2903040, while the sum is 53.

The square root of 7249415489 is about 85143.4993936707. The cubic root of 7249415489 is about 1935.3863058131.

The spelling of 7249415489 in words is "seven billion, two hundred forty-nine million, four hundred fifteen thousand, four hundred eighty-nine".