5181624851 has 16 divisors (see below), whose sum is σ = 6023626560. Its totient is φ = 4417311360.

The previous prime is 5181624841. The next prime is 5181624893. The reversal of 5181624851 is 1584261815.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5181624851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5181624799 and 5181624808.

It is not an unprimeable number, because it can be changed into a prime (5181624841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290120 + ... + 307461.

It is an arithmetic number, because the mean of its divisors is an integer number (376476660).

Almost surely, 2^5181624851 is an apocalyptic number.

5181624851 is a deficient number, since it is larger than the sum of its proper divisors (842001709).

5181624851 is a wasteful number, since it uses less digits than its factorization.

5181624851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597646.

The product of its digits is 76800, while the sum is 41.

The square root of 5181624851 is about 71983.5040200184. The cubic root of 5181624851 is about 1730.4351262732.

It can be divided in two parts, 51816 and 24851, that added together give a palindrome (76667).

The spelling of 5181624851 in words is "five billion, one hundred eighty-one million, six hundred twenty-four thousand, eight hundred fifty-one".