5149071188 has 6 divisors (see below), whose sum is σ = 9010874586. Its totient is φ = 2574535592.

The previous prime is 5149071173. The next prime is 5149071217. The reversal of 5149071188 is 8811709415.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4036315024 + 1112756164 = 63532^2 + 33358^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643633895 + ... + 643633902.

It is an arithmetic number, because the mean of its divisors is an integer number (1501812431).

Almost surely, 2^5149071188 is an apocalyptic number.

It is an amenable number.

5149071188 is a deficient number, since it is larger than the sum of its proper divisors (3861803398).

5149071188 is a wasteful number, since it uses less digits than its factorization.

5149071188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287267801 (or 1287267799 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 44.

The square root of 5149071188 is about 71757.0288403861. The cubic root of 5149071188 is about 1726.8036795085.

The spelling of 5149071188 in words is "five billion, one hundred forty-nine million, seventy-one thousand, one hundred eighty-eight".