7514540009 has 4 divisors (see below), whose sum is σ = 7569390804. Its totient is φ = 7459689216.

The previous prime is 7514539993. The next prime is 7514540051. The reversal of 7514540009 is 9000454157.

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 4816776409 + 2697763600 = 69403^2 + 51940^2 .

It is a cyclic number.

It is not a de Polignac number, because 7514540009 - 2⁴ = 7514539993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7514540069) 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 3 ways as a sum of consecutive naturals, for example, 27425192 + ... + 27425465.

It is an arithmetic number, because the mean of its divisors is an integer number (1892347701).

Almost surely, 2^7514540009 is an apocalyptic number.

It is an amenable number.

7514540009 is a deficient number, since it is larger than the sum of its proper divisors (54850795).

7514540009 is a wasteful number, since it uses less digits than its factorization.

7514540009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54850794.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 7514540009 is about 86686.4465127046. The cubic root of 7514540009 is about 1958.6979420485.

The spelling of 7514540009 in words is "seven billion, five hundred fourteen million, five hundred forty thousand, nine".