5185407851 has 8 divisors (see below), whose sum is σ = 5764424064. Its totient is φ = 4632125760.

The previous prime is 5185407839. The next prime is 5185407853. The reversal of 5185407851 is 1587045815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5185407851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5185407853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6433106 + ... + 6433911.

It is an arithmetic number, because the mean of its divisors is an integer number (720553008).

Almost surely, 2^5185407851 is an apocalyptic number.

5185407851 is a deficient number, since it is larger than the sum of its proper divisors (579016213).

5185407851 is a wasteful number, since it uses less digits than its factorization.

5185407851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12867061.

The product of its (nonzero) digits is 224000, while the sum is 44.

The square root of 5185407851 is about 72009.7760793630. The cubic root of 5185407851 is about 1730.8561424490.

The spelling of 5185407851 in words is "five billion, one hundred eighty-five million, four hundred seven thousand, eight hundred fifty-one".