5128991614 has 8 divisors (see below), whose sum is σ = 7693792560. Its totient is φ = 2564394096.

The previous prime is 5128991603. The next prime is 5128991617. The reversal of 5128991614 is 4161998215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128991617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64602 + ... + 120130.

It is an arithmetic number, because the mean of its divisors is an integer number (961724070).

Almost surely, 2^5128991614 is an apocalyptic number.

5128991614 is a deficient number, since it is larger than the sum of its proper divisors (2564800946).

5128991614 is a wasteful number, since it uses less digits than its factorization.

5128991614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101714.

The product of its digits is 155520, while the sum is 46.

The square root of 5128991614 is about 71616.9785316303. The cubic root of 5128991614 is about 1724.5561122369.

The spelling of 5128991614 in words is "five billion, one hundred twenty-eight million, nine hundred ninety-one thousand, six hundred fourteen".