6219549146 has 4 divisors (see below), whose sum is σ = 9329323722. Its totient is φ = 3109774572.

The previous prime is 6219549113. The next prime is 6219549157. The reversal of 6219549146 is 6419459126.

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

It can be written as a sum of positive squares in only one way, i.e., 5815740121 + 403809025 = 76261^2 + 20095^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6219549146.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1554887285 + ... + 1554887288.

Almost surely, 2^6219549146 is an apocalyptic number.

6219549146 is a deficient number, since it is larger than the sum of its proper divisors (3109774576).

6219549146 is a wasteful number, since it uses less digits than its factorization.

6219549146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109774575.

The product of its digits is 466560, while the sum is 47.

The square root of 6219549146 is about 78864.1182414411. The cubic root of 6219549146 is about 1839.0193602918.

The spelling of 6219549146 in words is "six billion, two hundred nineteen million, five hundred forty-nine thousand, one hundred forty-six".