4995719851 has 4 divisors (see below), whose sum is σ = 4997955312. Its totient is φ = 4993484392.

The previous prime is 4995719809. The next prime is 4995719857. The reversal of 4995719851 is 1589175994.

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

It is a cyclic number.

It is not a de Polignac number, because 4995719851 - 2¹¹ = 4995717803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4995719857) 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, 1114375 + ... + 1118848.

It is an arithmetic number, because the mean of its divisors is an integer number (1249488828).

Almost surely, 2^4995719851 is an apocalyptic number.

4995719851 is a deficient number, since it is larger than the sum of its proper divisors (2235461).

4995719851 is a wasteful number, since it uses less digits than its factorization.

4995719851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235460.

The product of its digits is 4082400, while the sum is 58.

The square root of 4995719851 is about 70680.4064150738. The cubic root of 4995719851 is about 1709.4878772603.

The spelling of 4995719851 in words is "four billion, nine hundred ninety-five million, seven hundred nineteen thousand, eight hundred fifty-one".