5210042434 has 4 divisors (see below), whose sum is σ = 7815063654. Its totient is φ = 2605021216.

The previous prime is 5210042429. The next prime is 5210042441. The reversal of 5210042434 is 4342400125.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 4678970409 + 531072025 = 68403^2 + 23045^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5210042399 and 5210042408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302510607 + ... + 1302510610.

Almost surely, 2^5210042434 is an apocalyptic number.

5210042434 is a deficient number, since it is larger than the sum of its proper divisors (2605021220).

5210042434 is a wasteful number, since it uses less digits than its factorization.

5210042434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605021219.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 5210042434 is about 72180.6236742244. The cubic root of 5210042434 is about 1733.5927690156.

Adding to 5210042434 its reverse (4342400125), we get a palindrome (9552442559).

The spelling of 5210042434 in words is "five billion, two hundred ten million, forty-two thousand, four hundred thirty-four".