6234646139 has 4 divisors (see below), whose sum is σ = 6234809424. Its totient is φ = 6234482856.

The previous prime is 6234646129. The next prime is 6234646163. The reversal of 6234646139 is 9316464326.

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 6234646139 - 2⁴ = 6234646123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6234646139.

It is not an unprimeable number, because it can be changed into a prime (6234646129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9689 + ... + 112085.

It is an arithmetic number, because the mean of its divisors is an integer number (1558702356).

Almost surely, 2^6234646139 is an apocalyptic number.

6234646139 is a deficient number, since it is larger than the sum of its proper divisors (163285).

6234646139 is a wasteful number, since it uses less digits than its factorization.

6234646139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163284.

The product of its digits is 559872, while the sum is 44.

The square root of 6234646139 is about 78959.7754492754. The cubic root of 6234646139 is about 1840.5061362624.

The spelling of 6234646139 in words is "six billion, two hundred thirty-four million, six hundred forty-six thousand, one hundred thirty-nine".