6315789691487 has 2 divisors, whose sum is σ = 6315789691488. Its totient is φ = 6315789691486.

The previous prime is 6315789691427. The next prime is 6315789691507. The reversal of 6315789691487 is 7841969875136.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6315789691487 - 2²² = 6315785497183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6315789691427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157894845743 + 3157894845744.

It is an arithmetic number, because the mean of its divisors is an integer number (3157894845744).

Almost surely, 2^{6315789691487} is an apocalyptic number.

6315789691487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6315789691487 is an equidigital number, since it uses as much as digits as its factorization.

6315789691487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 548674560, while the sum is 74.

The spelling of 6315789691487 in words is "six trillion, three hundred fifteen billion, seven hundred eighty-nine million, six hundred ninety-one thousand, four hundred eighty-seven".