4992345187 has 2 divisors, whose sum is σ = 4992345188. Its totient is φ = 4992345186.

The previous prime is 4992345181. The next prime is 4992345221. The reversal of 4992345187 is 7815432994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4992345187 is a prime.

It is not a weakly prime, because it can be changed into another prime (4992345181) 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 as a sum of consecutive naturals, namely, 2496172593 + 2496172594.

It is an arithmetic number, because the mean of its divisors is an integer number (2496172594).

Almost surely, 2^4992345187 is an apocalyptic number.

4992345187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4992345187 is an equidigital number, since it uses as much as digits as its factorization.

4992345187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The square root of 4992345187 is about 70656.5296840993. The cubic root of 4992345187 is about 1709.1028645659.

The spelling of 4992345187 in words is "four billion, nine hundred ninety-two million, three hundred forty-five thousand, one hundred eighty-seven".