6557667463 has 2 divisors, whose sum is σ = 6557667464. Its totient is φ = 6557667462.

The previous prime is 6557667461. The next prime is 6557667503. The reversal of 6557667463 is 3647667556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6557667463 - 2¹ = 6557667461 is a prime.

Together with 6557667461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6557667461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278833731 + 3278833732.

It is an arithmetic number, because the mean of its divisors is an integer number (3278833732).

Almost surely, 2^6557667463 is an apocalyptic number.

6557667463 is a deficient number, since it is larger than the sum of its proper divisors (1).

6557667463 is an equidigital number, since it uses as much as digits as its factorization.

6557667463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 55.

The square root of 6557667463 is about 80979.4261710961. The cubic root of 6557667463 is about 1871.7584251872.

The spelling of 6557667463 in words is "six billion, five hundred fifty-seven million, six hundred sixty-seven thousand, four hundred sixty-three".