6128305149 has 4 divisors (see below), whose sum is σ = 8171073536. Its totient is φ = 4085536764.

The previous prime is 6128305123. The next prime is 6128305171. The reversal of 6128305149 is 9415038216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6128305149 - 2¹¹ = 6128303101 is a prime.

It is a super-2 number, since 2×6128305149² = 75112247998519824402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6128305349) 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, 1021384189 + ... + 1021384194.

It is an arithmetic number, because the mean of its divisors is an integer number (2042768384).

Almost surely, 2^6128305149 is an apocalyptic number.

It is an amenable number.

6128305149 is a deficient number, since it is larger than the sum of its proper divisors (2042768387).

6128305149 is a wasteful number, since it uses less digits than its factorization.

6128305149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042768386.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 6128305149 is about 78283.4921870505. The cubic root of 6128305149 is about 1829.9818992506.

The spelling of 6128305149 in words is "six billion, one hundred twenty-eight million, three hundred five thousand, one hundred forty-nine".