5210043642 has 12 divisors (see below), whose sum is σ = 11288427930. Its totient is φ = 1736681208.

The previous prime is 5210043623. The next prime is 5210043647. The reversal of 5210043642 is 2463400125.

5210043642 is a `hidden beast` number, since 5 + 2 + 10 + 0 + 4 + 3 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2876284161 + 2333759481 = 53631^2 + 48309^2 .

It is not an unprimeable number, because it can be changed into a prime (5210043647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144723417 + ... + 144723452.

Almost surely, 2^5210043642 is an apocalyptic number.

5210043642 is an abundant number, since it is smaller than the sum of its proper divisors (6078384288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5210043642 is a wasteful number, since it uses less digits than its factorization.

5210043642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289446877 (or 289446874 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 5210043642 is about 72180.6320421206. The cubic root of 5210043642 is about 1733.5929029992.

Adding to 5210043642 its reverse (2463400125), we get a palindrome (7673443767).

The spelling of 5210043642 in words is "five billion, two hundred ten million, forty-three thousand, six hundred forty-two".