5187743042 has 8 divisors (see below), whose sum is σ = 7826595516. Its totient is φ = 2578877872.

The previous prime is 5187743023. The next prime is 5187743047. The reversal of 5187743042 is 2403477815.

It can be written as a sum of positive squares in 2 ways, for example, as 3492691801 + 1695051241 = 59099^2 + 41171^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5187743047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7496393 + ... + 7497084.

Almost surely, 2^5187743042 is an apocalyptic number.

5187743042 is a deficient number, since it is larger than the sum of its proper divisors (2638852474).

5187743042 is a wasteful number, since it uses less digits than its factorization.

5187743042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14993652.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 5187743042 is about 72025.9886568730. The cubic root of 5187743042 is about 1731.1159274209.

The spelling of 5187743042 in words is "five billion, one hundred eighty-seven million, seven hundred forty-three thousand, forty-two".