5149286672 has 90 divisors (see below), whose sum is σ = 11197749258. Its totient is φ = 2285632512.

The previous prime is 5149286671. The next prime is 5149286711. The reversal of 5149286672 is 2766829415.

It can be written as a sum of positive squares in 3 ways, for example, as 3921765376 + 1227521296 = 62624^2 + 35036^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5149286672.

It is not an unprimeable number, because it can be changed into a prime (5149286671) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22485854 + ... + 22486082.

Almost surely, 2^5149286672 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 5149286672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5598874629).

5149286672 is an abundant number, since it is smaller than the sum of its proper divisors (6048462586).

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

5149286672 is a wasteful number, since it uses less digits than its factorization.

5149286672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 267 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 5149286672 is about 71758.5303082498. The cubic root of 5149286672 is about 1726.8277675664.

The spelling of 5149286672 in words is "five billion, one hundred forty-nine million, two hundred eighty-six thousand, six hundred seventy-two".