6111621839 has 8 divisors (see below), whose sum is σ = 6474021840. Its totient is φ = 5749543296.

The previous prime is 6111621823. The next prime is 6111621869. The reversal of 6111621839 is 9381261116.

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

It is a cyclic number.

It is not a de Polignac number, because 6111621839 - 2⁴ = 6111621823 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 (6111621809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40649 + ... + 117794.

It is an arithmetic number, because the mean of its divisors is an integer number (809252730).

Almost surely, 2^6111621839 is an apocalyptic number.

6111621839 is a deficient number, since it is larger than the sum of its proper divisors (362400001).

6111621839 is a wasteful number, since it uses less digits than its factorization.

6111621839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160729.

The product of its digits is 15552, while the sum is 38.

The square root of 6111621839 is about 78176.8625553622. The cubic root of 6111621839 is about 1828.3197810952.

The spelling of 6111621839 in words is "six billion, one hundred eleven million, six hundred twenty-one thousand, eight hundred thirty-nine".