667441299463 has 2 divisors, whose sum is σ = 667441299464. Its totient is φ = 667441299462.

The previous prime is 667441299461. The next prime is 667441299479. The reversal of 667441299463 is 364992144766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667441299463 - 2¹ = 667441299461 is a prime.

Together with 667441299461, 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 (667441299461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333720649731 + 333720649732.

It is an arithmetic number, because the mean of its divisors is an integer number (333720649732).

Almost surely, 2^667441299463 is an apocalyptic number.

667441299463 is a deficient number, since it is larger than the sum of its proper divisors (1).

667441299463 is an equidigital number, since it uses as much as digits as its factorization.

667441299463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 61.

The spelling of 667441299463 in words is "six hundred sixty-seven billion, four hundred forty-one million, two hundred ninety-nine thousand, four hundred sixty-three".