5149617696 has 144 divisors (see below), whose sum is σ = 16040770200. Its totient is φ = 1559814144.

The previous prime is 5149617673. The next prime is 5149617727. The reversal of 5149617696 is 6967169415.

It is a happy number.

5149617696 is a `hidden beast` number, since 5 + 14 + 9 + 617 + 6 + 9 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5106531600 + 43086096 = 71460^2 + 6564^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123850 + ... + 160118.

Almost surely, 2^5149617696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5149617696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8020385100).

5149617696 is an abundant number, since it is smaller than the sum of its proper divisors (10891152504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5149617696 is a wasteful number, since it uses less digits than its factorization.

5149617696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36331 (or 36320 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 5149617696 is about 71760.8367844188. The cubic root of 5149617696 is about 1726.8647700499.

The spelling of 5149617696 in words is "five billion, one hundred forty-nine million, six hundred seventeen thousand, six hundred ninety-six".