5142389386 has 4 divisors (see below), whose sum is σ = 7713584082. Its totient is φ = 2571194692.

The previous prime is 5142389353. The next prime is 5142389401. The reversal of 5142389386 is 6839832415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3984008161 + 1158381225 = 63119^2 + 34035^2 .

It is a super-3 number, since 3×5142389386³ (a number of 30 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285597345 + ... + 1285597348.

Almost surely, 2^5142389386 is an apocalyptic number.

5142389386 is a deficient number, since it is larger than the sum of its proper divisors (2571194696).

5142389386 is a wasteful number, since it uses less digits than its factorization.

5142389386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571194695.

The product of its digits is 1244160, while the sum is 49.

The square root of 5142389386 is about 71710.4552070338. The cubic root of 5142389386 is about 1726.0564149779.

The spelling of 5142389386 in words is "five billion, one hundred forty-two million, three hundred eighty-nine thousand, three hundred eighty-six".