5147723812 has 54 divisors (see below), whose sum is σ = 11518616886. Its totient is φ = 2005597440.

The previous prime is 5147723809. The next prime is 5147723813. The reversal of 5147723812 is 2183277415.

It can be written as a sum of positive squares in only one way, i.e., 4570571236 + 577152576 = 67606^2 + 24024^2 .

It is a super-3 number, since 3×5147723812³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (5147723813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 84813 + ... + 132244.

Almost surely, 2^5147723812 is an apocalyptic number.

It is an amenable number.

5147723812 is an abundant number, since it is smaller than the sum of its proper divisors (6370893074).

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

5147723812 is a wasteful number, since it uses less digits than its factorization.

5147723812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217097 (or 217077 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 5147723812 is about 71747.6397660578. The cubic root of 5147723812 is about 1726.6530467232.

The spelling of 5147723812 in words is "five billion, one hundred forty-seven million, seven hundred twenty-three thousand, eight hundred twelve".