4999987186 has 4 divisors (see below), whose sum is σ = 7499980782. Its totient is φ = 2499993592.

The previous prime is 4999987177. The next prime is 4999987207. The reversal of 4999987186 is 6817899994.

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., 3674663161 + 1325324025 = 60619^2 + 36405^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249996795 + ... + 1249996798.

Almost surely, 2^4999987186 is an apocalyptic number.

4999987186 is a deficient number, since it is larger than the sum of its proper divisors (2499993596).

4999987186 is a wasteful number, since it uses less digits than its factorization.

4999987186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499993595.

The product of its digits is 70543872, while the sum is 70.

The square root of 4999987186 is about 70710.5875099338. The cubic root of 4999987186 is about 1709.9744859000.

The spelling of 4999987186 in words is "four billion, nine hundred ninety-nine million, nine hundred eighty-seven thousand, one hundred eighty-six".