5142500009 has 4 divisors (see below), whose sum is σ = 5143063380. Its totient is φ = 5141936640.

The previous prime is 5142499979. The next prime is 5142500029. The reversal of 5142500009 is 9000052415.

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 4213957225 + 928542784 = 64915^2 + 30472^2 .

It is a cyclic number.

It is not a de Polignac number, because 5142500009 - 2²⁸ = 4874064553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5142500029) 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, 267764 + ... + 286325.

It is an arithmetic number, because the mean of its divisors is an integer number (1285765845).

Almost surely, 2^5142500009 is an apocalyptic number.

It is an amenable number.

5142500009 is a deficient number, since it is larger than the sum of its proper divisors (563371).

5142500009 is an equidigital number, since it uses as much as digits as its factorization.

5142500009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563370.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 5142500009 is about 71711.2265199808. The cubic root of 5142500009 is about 1726.0687918553.

The spelling of 5142500009 in words is "five billion, one hundred forty-two million, five hundred thousand, nine".