6315004404991 has 2 divisors, whose sum is σ = 6315004404992. Its totient is φ = 6315004404990.

The previous prime is 6315004404913. The next prime is 6315004405007. The reversal of 6315004404991 is 1994044005136.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6315004404991 - 2⁹ = 6315004404479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6315004404391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157502202495 + 3157502202496.

It is an arithmetic number, because the mean of its divisors is an integer number (3157502202496).

Almost surely, 2^{6315004404991} is an apocalyptic number.

6315004404991 is a deficient number, since it is larger than the sum of its proper divisors (1).

6315004404991 is an equidigital number, since it uses as much as digits as its factorization.

6315004404991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 6315004404991 in words is "six trillion, three hundred fifteen billion, four million, four hundred four thousand, nine hundred ninety-one".