5143729785 has 8 divisors (see below), whose sum is σ = 8229967680. Its totient is φ = 2743322544.

The previous prime is 5143729783. The next prime is 5143729817. The reversal of 5143729785 is 5879273415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5143729785 - 2¹ = 5143729783 is a prime.

It is a super-2 number, since 2×5143729785² = 52915912202192292450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5143729781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171457645 + ... + 171457674.

It is an arithmetic number, because the mean of its divisors is an integer number (1028745960).

Almost surely, 2^5143729785 is an apocalyptic number.

It is an amenable number.

5143729785 is a deficient number, since it is larger than the sum of its proper divisors (3086237895).

5143729785 is a wasteful number, since it uses less digits than its factorization.

5143729785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342915327.

The product of its digits is 2116800, while the sum is 51.

The square root of 5143729785 is about 71719.8005086461. The cubic root of 5143729785 is about 1726.2063714235.

The spelling of 5143729785 in words is "five billion, one hundred forty-three million, seven hundred twenty-nine thousand, seven hundred eighty-five".