1463898564 has 18 divisors (see below), whose sum is σ = 3700410350. Its totient is φ = 487966176.

The previous prime is 1463898551. The next prime is 1463898571. The reversal of 1463898564 is 4658983641.

1463898564 is a `hidden beast` number, since 1 + 46 + 38 + 9 + 8 + 564 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1419782400 + 44116164 = 37680^2 + 6642^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1463898564.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20331889 + ... + 20331960.

Almost surely, 2^1463898564 is an apocalyptic number.

It is an amenable number.

1463898564 is an abundant number, since it is smaller than the sum of its proper divisors (2236511786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1463898564 is a wasteful number, since it uses less digits than its factorization.

1463898564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40663859 (or 40663854 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 1463898564 is about 38260.9273802923. The cubic root of 1463898564 is about 1135.4560488867.

The spelling of 1463898564 in words is "one billion, four hundred sixty-three million, eight hundred ninety-eight thousand, five hundred sixty-four".