5238421436 has 12 divisors (see below), whose sum is σ = 9322614840. Its totient is φ = 2574817200.

The previous prime is 5238421427. The next prime is 5238421469. The reversal of 5238421436 is 6341248325.

It is a super-2 number, since 2×5238421436² = 54882118282288604192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5238421436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11098115 + ... + 11098586.

It is an arithmetic number, because the mean of its divisors is an integer number (776884570).

Almost surely, 2^5238421436 is an apocalyptic number.

It is an amenable number.

5238421436 is a deficient number, since it is larger than the sum of its proper divisors (4084193404).

5238421436 is a wasteful number, since it uses less digits than its factorization.

5238421436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22196764 (or 22196762 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 5238421436 is about 72376.9399463669. The cubic root of 5238421436 is about 1736.7346868550.

The spelling of 5238421436 in words is "five billion, two hundred thirty-eight million, four hundred twenty-one thousand, four hundred thirty-six".