5143428868 has 6 divisors (see below), whose sum is σ = 9001000526. Its totient is φ = 2571714432.

The previous prime is 5143428859. The next prime is 5143428869. The reversal of 5143428868 is 8688243415.

It can be written as a sum of positive squares in only one way, i.e., 2657608704 + 2485820164 = 51552^2 + 49858^2 .

It is a super-2 number, since 2×5143428868² = 52909721040351522848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5143428869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642928605 + ... + 642928612.

Almost surely, 2^5143428868 is an apocalyptic number.

It is an amenable number.

5143428868 is a deficient number, since it is larger than the sum of its proper divisors (3857571658).

5143428868 is a wasteful number, since it uses less digits than its factorization.

5143428868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285857221 (or 1285857219 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 49.

The square root of 5143428868 is about 71717.7026123955. The cubic root of 5143428868 is about 1726.1727087576.

The spelling of 5143428868 in words is "five billion, one hundred forty-three million, four hundred twenty-eight thousand, eight hundred sixty-eight".