5209954539 has 4 divisors (see below), whose sum is σ = 6946606056. Its totient is φ = 3473303024.

The previous prime is 5209954531. The next prime is 5209954543. The reversal of 5209954539 is 9354599025.

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

It is a cyclic number.

It is not a de Polignac number, because 5209954539 - 2³ = 5209954531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5209954491 and 5209954500.

It is not an unprimeable number, because it can be changed into a prime (5209954531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868325754 + ... + 868325759.

It is an arithmetic number, because the mean of its divisors is an integer number (1736651514).

Almost surely, 2^5209954539 is an apocalyptic number.

5209954539 is a deficient number, since it is larger than the sum of its proper divisors (1736651517).

5209954539 is a wasteful number, since it uses less digits than its factorization.

5209954539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736651516.

The product of its (nonzero) digits is 2187000, while the sum is 51.

The square root of 5209954539 is about 72180.0148171223. The cubic root of 5209954539 is about 1733.5830202151.

The spelling of 5209954539 in words is "five billion, two hundred nine million, nine hundred fifty-four thousand, five hundred thirty-nine".