5105651509 has 16 divisors (see below), whose sum is σ = 5888615040. Its totient is φ = 4336188480.

The previous prime is 5105651479. The next prime is 5105651513. The reversal of 5105651509 is 9051565015.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5105651509 - 2⁵ = 5105651477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105651009) 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, 646227 + ... + 654079.

It is an arithmetic number, because the mean of its divisors is an integer number (368038440).

Almost surely, 2^5105651509 is an apocalyptic number.

It is an amenable number.

5105651509 is a deficient number, since it is larger than the sum of its proper divisors (782963531).

5105651509 is a wasteful number, since it uses less digits than its factorization.

5105651509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8700.

The product of its (nonzero) digits is 33750, while the sum is 37.

The square root of 5105651509 is about 71453.8418071415. The cubic root of 5105651509 is about 1721.9361994750.

The spelling of 5105651509 in words is "five billion, one hundred five million, six hundred fifty-one thousand, five hundred nine".