7452243009 has 6 divisors (see below), whose sum is σ = 10764351026. Its totient is φ = 4968162000.

The previous prime is 7452242933. The next prime is 7452243049. The reversal of 7452243009 is 9003422547.

It can be written as a sum of positive squares in only one way, i.e., 6768681984 + 683561025 = 82272^2 + 26145^2 .

It is not a de Polignac number, because 7452243009 - 2¹⁷ = 7452111937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7452243049) 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 5 ways as a sum of consecutive naturals, for example, 414013492 + ... + 414013509.

Almost surely, 2^7452243009 is an apocalyptic number.

It is an amenable number.

7452243009 is a deficient number, since it is larger than the sum of its proper divisors (3312108017).

7452243009 is a wasteful number, since it uses less digits than its factorization.

7452243009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828027007 (or 828027004 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 7452243009 is about 86326.3749325778. The cubic root of 7452243009 is about 1953.2702529811.

The spelling of 7452243009 in words is "seven billion, four hundred fifty-two million, two hundred forty-three thousand, nine".