6486145215547 has 2 divisors, whose sum is σ = 6486145215548. Its totient is φ = 6486145215546.

The previous prime is 6486145215541. The next prime is 6486145215551. The reversal of 6486145215547 is 7455125416846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6486145215547 - 2¹⁹ = 6486144691259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6486145215491 and 6486145215500.

It is not a weakly prime, because it can be changed into another prime (6486145215541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3243072607773 + 3243072607774.

It is an arithmetic number, because the mean of its divisors is an integer number (3243072607774).

Almost surely, 2^{6486145215547} is an apocalyptic number.

6486145215547 is a deficient number, since it is larger than the sum of its proper divisors (1).

6486145215547 is an equidigital number, since it uses as much as digits as its factorization.

6486145215547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256000, while the sum is 58.

The spelling of 6486145215547 in words is "six trillion, four hundred eighty-six billion, one hundred forty-five million, two hundred fifteen thousand, five hundred forty-seven".