1488721836564 has 36 divisors (see below), whose sum is σ = 3800416974900. Its totient is φ = 491327337600.

The previous prime is 1488721836557. The next prime is 1488721836593. The reversal of 1488721836564 is 4656381278841.

1488721836564 is a `hidden beast` number, since 1 + 48 + 8 + 7 + 21 + 8 + 3 + 6 + 564 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1468871280900 + 19850555664 = 1211970^2 + 140892^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204716089 + ... + 204723360.

Almost surely, 2^{1488721836564} is an apocalyptic number.

It is an amenable number.

1488721836564 is an abundant number, since it is smaller than the sum of its proper divisors (2311695138336).

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

1488721836564 is a wasteful number, since it uses less digits than its factorization.

1488721836564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409439560 (or 409439555 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 1488721836564 in words is "one trillion, four hundred eighty-eight billion, seven hundred twenty-one million, eight hundred thirty-six thousand, five hundred sixty-four".