6141728621 has 4 divisors (see below), whose sum is σ = 7019118432. Its totient is φ = 5264338812.

The previous prime is 6141728611. The next prime is 6141728627. The reversal of 6141728621 is 1268271416.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6141728621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6141728627) 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, 438694895 + ... + 438694908.

It is an arithmetic number, because the mean of its divisors is an integer number (1754779608).

Almost surely, 2^6141728621 is an apocalyptic number.

It is an amenable number.

6141728621 is a deficient number, since it is larger than the sum of its proper divisors (877389811).

6141728621 is an equidigital number, since it uses as much as digits as its factorization.

6141728621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877389810.

The product of its digits is 32256, while the sum is 38.

The square root of 6141728621 is about 78369.1815766887. The cubic root of 6141728621 is about 1831.3170588869.

The spelling of 6141728621 in words is "six billion, one hundred forty-one million, seven hundred twenty-eight thousand, six hundred twenty-one".