5121234436 has 6 divisors (see below), whose sum is σ = 8962160270. Its totient is φ = 2560617216.

The previous prime is 5121234427. The next prime is 5121234457. The reversal of 5121234436 is 6344321215.

It can be written as a sum of positive squares in only one way, i.e., 3278249536 + 1842984900 = 57256^2 + 42930^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5121234398 and 5121234407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640154301 + ... + 640154308.

Almost surely, 2^5121234436 is an apocalyptic number.

It is an amenable number.

5121234436 is a deficient number, since it is larger than the sum of its proper divisors (3840925834).

5121234436 is a wasteful number, since it uses less digits than its factorization.

5121234436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280308613 (or 1280308611 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 5121234436 is about 71562.8006439100. The cubic root of 5121234436 is about 1723.6862571314.

The spelling of 5121234436 in words is "five billion, one hundred twenty-one million, two hundred thirty-four thousand, four hundred thirty-six".