6218654147 has 4 divisors (see below), whose sum is σ = 6224472480. Its totient is φ = 6212835816.

The previous prime is 6218654107. The next prime is 6218654161. The reversal of 6218654147 is 7414568126.

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 6218654147 - 2⁸ = 6218653891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6218654098 and 6218654107.

It is not an unprimeable number, because it can be changed into a prime (6218654107) 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, 2907563 + ... + 2909700.

It is an arithmetic number, because the mean of its divisors is an integer number (1556118120).

Almost surely, 2^6218654147 is an apocalyptic number.

6218654147 is a deficient number, since it is larger than the sum of its proper divisors (5818333).

6218654147 is a wasteful number, since it uses less digits than its factorization.

6218654147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818332.

The product of its digits is 322560, while the sum is 44.

The square root of 6218654147 is about 78858.4437267183. The cubic root of 6218654147 is about 1838.9311438522.

The spelling of 6218654147 in words is "six billion, two hundred eighteen million, six hundred fifty-four thousand, one hundred forty-seven".