6219747361 has 4 divisors (see below), whose sum is σ = 6228119232. Its totient is φ = 6211375492.

The previous prime is 6219747349. The next prime is 6219747371. The reversal of 6219747361 is 1637479126.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6219747361 - 2⁵ = 6219747329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6219747301) 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, 4184821 + ... + 4186306.

It is an arithmetic number, because the mean of its divisors is an integer number (1557029808).

Almost surely, 2^6219747361 is an apocalyptic number.

It is an amenable number.

6219747361 is a deficient number, since it is larger than the sum of its proper divisors (8371871).

6219747361 is an equidigital number, since it uses as much as digits as its factorization.

6219747361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371870.

The product of its digits is 381024, while the sum is 46.

The square root of 6219747361 is about 78865.3749182745. The cubic root of 6219747361 is about 1839.0388963997.

The spelling of 6219747361 in words is "six billion, two hundred nineteen million, seven hundred forty-seven thousand, three hundred sixty-one".