5143863621 has 32 divisors (see below), whose sum is σ = 7889857920. Its totient is φ = 2952843264.

The previous prime is 5143863551. The next prime is 5143863623. The reversal of 5143863621 is 1263683415.

It is not a de Polignac number, because 5143863621 - 2¹⁴ = 5143847237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 5143863621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143863623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40590 + ... + 109248.

It is an arithmetic number, because the mean of its divisors is an integer number (246558060).

Almost surely, 2^5143863621 is an apocalyptic number.

5143863621 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5143863621 is a deficient number, since it is larger than the sum of its proper divisors (2745994299).

5143863621 is a wasteful number, since it uses less digits than its factorization.

5143863621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68805.

The product of its digits is 103680, while the sum is 39.

The square root of 5143863621 is about 71720.7335503479. The cubic root of 5143863621 is about 1726.2213428263.

The spelling of 5143863621 in words is "five billion, one hundred forty-three million, eight hundred sixty-three thousand, six hundred twenty-one".