5185764851 has 4 divisors (see below), whose sum is σ = 5411232912. Its totient is φ = 4960296792.

The previous prime is 5185764841. The next prime is 5185764863. The reversal of 5185764851 is 1584675815.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5185764851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5185764851.

It is not an unprimeable number, because it can be changed into a prime (5185764841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112733996 + ... + 112734041.

It is an arithmetic number, because the mean of its divisors is an integer number (1352808228).

Almost surely, 2^5185764851 is an apocalyptic number.

5185764851 is a deficient number, since it is larger than the sum of its proper divisors (225468061).

5185764851 is a wasteful number, since it uses less digits than its factorization.

5185764851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225468060.

The product of its digits is 1344000, while the sum is 50.

The square root of 5185764851 is about 72012.2548667933. The cubic root of 5185764851 is about 1730.8958629802.

The spelling of 5185764851 in words is "five billion, one hundred eighty-five million, seven hundred sixty-four thousand, eight hundred fifty-one".