5105489851 has 24 divisors (see below), whose sum is σ = 6620429312. Its totient is φ = 3849951600.

The previous prime is 5105489849. The next prime is 5105489869. The reversal of 5105489851 is 1589845015.

It is a happy number.

It is not a de Polignac number, because 5105489851 - 2¹ = 5105489849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5105489801) 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 23 ways as a sum of consecutive naturals, for example, 70965 + ... + 123478.

Almost surely, 2^5105489851 is an apocalyptic number.

5105489851 is a deficient number, since it is larger than the sum of its proper divisors (1514939461).

5105489851 is a wasteful number, since it uses less digits than its factorization.

5105489851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194503 (or 194492 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 46.

The square root of 5105489851 is about 71452.7105923911. The cubic root of 5105489851 is about 1721.9180256468.

The spelling of 5105489851 in words is "five billion, one hundred five million, four hundred eighty-nine thousand, eight hundred fifty-one".