401215128463 has 2 divisors, whose sum is σ = 401215128464. Its totient is φ = 401215128462.

The previous prime is 401215128409. The next prime is 401215128533. The reversal of 401215128463 is 364821512104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401215128463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401219128463) 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, 200607564231 + 200607564232.

It is an arithmetic number, because the mean of its divisors is an integer number (200607564232).

Almost surely, 2^401215128463 is an apocalyptic number.

401215128463 is a deficient number, since it is larger than the sum of its proper divisors (1).

401215128463 is an equidigital number, since it uses as much as digits as its factorization.

401215128463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 401215128463 in words is "four hundred one billion, two hundred fifteen million, one hundred twenty-eight thousand, four hundred sixty-three".