6219320455 has 4 divisors (see below), whose sum is σ = 7463184552. Its totient is φ = 4975456360.

The previous prime is 6219320411. The next prime is 6219320461. The reversal of 6219320455 is 5540239126.

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

It is not a de Polignac number, because 6219320455 - 2⁹ = 6219319943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621932041 + ... + 621932050.

It is an arithmetic number, because the mean of its divisors is an integer number (1865796138).

Almost surely, 2^6219320455 is an apocalyptic number.

6219320455 is a deficient number, since it is larger than the sum of its proper divisors (1243864097).

6219320455 is a wasteful number, since it uses less digits than its factorization.

6219320455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243864096.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 6219320455 is about 78862.6683228510. The cubic root of 6219320455 is about 1838.9968199478.

The spelling of 6219320455 in words is "six billion, two hundred nineteen million, three hundred twenty thousand, four hundred fifty-five".