6255506139 has 4 divisors (see below), whose sum is σ = 8340674856. Its totient is φ = 4170337424.

The previous prime is 6255506129. The next prime is 6255506149. The reversal of 6255506139 is 9316055526.

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

It is an interprime number because it is at equal distance from previous prime (6255506129) and next prime (6255506149).

It is a cyclic number.

It is not a de Polignac number, because 6255506139 - 2⁴ = 6255506123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6255506139.

It is not an unprimeable number, because it can be changed into a prime (6255506129) 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, 1042584354 + ... + 1042584359.

It is an arithmetic number, because the mean of its divisors is an integer number (2085168714).

Almost surely, 2^6255506139 is an apocalyptic number.

6255506139 is a deficient number, since it is larger than the sum of its proper divisors (2085168717).

6255506139 is a wasteful number, since it uses less digits than its factorization.

6255506139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085168716.

The product of its (nonzero) digits is 243000, while the sum is 42.

The square root of 6255506139 is about 79091.7577184880. The cubic root of 6255506139 is about 1842.5565182690.

The spelling of 6255506139 in words is "six billion, two hundred fifty-five million, five hundred six thousand, one hundred thirty-nine".