1488622048281 has 9 divisors (see below), whose sum is σ = 2150237134591. Its totient is φ = 992412258672.

The previous prime is 1488622048271. The next prime is 1488622048307. The reversal of 1488622048281 is 1828402268841.

It is a happy number.

The square root of 1488622048281 is 1220091.

It is a perfect power (a square), and thus also a powerful number.

1488622048281 is a `hidden beast` number, since 1 + 4 + 8 + 8 + 62 + 20 + 482 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 541924184025 + 946697864256 = 736155^2 + 972984^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1488622048281 - 2²¹ = 1488619951129 is a prime.

It is a super-2 number, since 2×1488622048281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1488622048211) 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 in 8 ways as a sum of consecutive naturals, for example, 3456925 + ... + 3863621.

Almost surely, 2^{1488622048281} is an apocalyptic number.

1488622048281 is the 1220091-st square number.

1488622048281 is the 610046-th centered octagonal number.

It is an amenable number.

1488622048281 is a deficient number, since it is larger than the sum of its proper divisors (661615086310).

1488622048281 is an frugal number, since it uses more digits than its factorization.

1488622048281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813400 (or 406700 counting only the distinct ones).

The product of its (nonzero) digits is 3145728, while the sum is 54.

The spelling of 1488622048281 in words is "one trillion, four hundred eighty-eight billion, six hundred twenty-two million, forty-eight thousand, two hundred eighty-one".