460421555441521 has 4 divisors (see below), whose sum is σ = 460422692608500. Its totient is φ = 460420418274544.

The previous prime is 460421555441513. The next prime is 460421555441527. The reversal of 460421555441521 is 125144555124064.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 428077755201600 + 32343800239921 = 20690040^2 + 5687161^2 .

It is a cyclic number.

It is not a de Polignac number, because 460421555441521 - 2³ = 460421555441513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (460421555441527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567975946 + ... + 568786003.

It is an arithmetic number, because the mean of its divisors is an integer number (115105673152125).

Almost surely, 2^{460421555441521} is an apocalyptic number.

It is an amenable number.

460421555441521 is a deficient number, since it is larger than the sum of its proper divisors (1137166979).

460421555441521 is a wasteful number, since it uses less digits than its factorization.

460421555441521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137166978.

The product of its (nonzero) digits is 3840000, while the sum is 49.

The spelling of 460421555441521 in words is "four hundred sixty trillion, four hundred twenty-one billion, five hundred fifty-five million, four hundred forty-one thousand, five hundred twenty-one".