5109354861 has 24 divisors (see below), whose sum is σ = 7448515776. Its totient is φ = 3113660160.

The previous prime is 5109354841. The next prime is 5109354893. The reversal of 5109354861 is 1684539015.

It is not a de Polignac number, because 5109354861 - 2¹⁸ = 5109092717 is a prime.

It is a super-2 number, since 2×5109354861² = 52211014191248658642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5109354841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3301 + ... + 101141.

It is an arithmetic number, because the mean of its divisors is an integer number (310354824).

Almost surely, 2^5109354861 is an apocalyptic number.

It is an amenable number.

5109354861 is a deficient number, since it is larger than the sum of its proper divisors (2339160915).

5109354861 is a wasteful number, since it uses less digits than its factorization.

5109354861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97973 (or 97960 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 5109354861 is about 71479.7514055554. The cubic root of 5109354861 is about 1722.3524306948.

The spelling of 5109354861 in words is "five billion, one hundred nine million, three hundred fifty-four thousand, eight hundred sixty-one".