63401855467 has 2 divisors, whose sum is σ = 63401855468. Its totient is φ = 63401855466.

The previous prime is 63401855449. The next prime is 63401855483. The reversal of 63401855467 is 76455810436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63401855467 - 2¹¹ = 63401853419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63401855467.

It is not a weakly prime, because it can be changed into another prime (63401855437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31700927733 + 31700927734.

It is an arithmetic number, because the mean of its divisors is an integer number (31700927734).

Almost surely, 2^63401855467 is an apocalyptic number.

63401855467 is a deficient number, since it is larger than the sum of its proper divisors (1).

63401855467 is an equidigital number, since it uses as much as digits as its factorization.

63401855467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 63401855467 in words is "sixty-three billion, four hundred one million, eight hundred fifty-five thousand, four hundred sixty-seven".