5149344768 has 88 divisors (see below), whose sum is σ = 13950386880. Its totient is φ = 1688248320.

The previous prime is 5149344763. The next prime is 5149344803. The reversal of 5149344768 is 8674439415.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5149344768.

It is not an unprimeable number, because it can be changed into a prime (5149344763) 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, 173653 + ... + 201131.

Almost surely, 2^5149344768 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 5149344768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6975193440).

5149344768 is an abundant number, since it is smaller than the sum of its proper divisors (8801042112).

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

5149344768 is a wasteful number, since it uses less digits than its factorization.

5149344768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27563 (or 27545 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 5149344768 is about 71758.9351091556. The cubic root of 5149344768 is about 1726.8342617609.

The spelling of 5149344768 in words is "five billion, one hundred forty-nine million, three hundred forty-four thousand, seven hundred sixty-eight".