6128994371 has 4 divisors (see below), whose sum is σ = 6212953272. Its totient is φ = 6045035472.

The previous prime is 6128994367. The next prime is 6128994409. The reversal of 6128994371 is 1734998216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6128994371 - 2² = 6128994367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6128994301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41979341 + ... + 41979486.

It is an arithmetic number, because the mean of its divisors is an integer number (1553238318).

Almost surely, 2^6128994371 is an apocalyptic number.

6128994371 is a deficient number, since it is larger than the sum of its proper divisors (83958901).

6128994371 is an equidigital number, since it uses as much as digits as its factorization.

6128994371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83958900.

The product of its digits is 653184, while the sum is 50.

The square root of 6128994371 is about 78287.8941535663. The cubic root of 6128994371 is about 1830.0504998655.

The spelling of 6128994371 in words is "six billion, one hundred twenty-eight million, nine hundred ninety-four thousand, three hundred seventy-one".