1488626928649 has 9 divisors (see below), whose sum is σ = 1731677994957. Its totient is φ = 1275958618284.

The previous prime is 1488626928647. The next prime is 1488626928697. The reversal of 1488626928649 is 9468296268841.

The square root of 1488626928649 is 1220093.

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

It is not a de Polignac number, because 1488626928649 - 2¹ = 1488626928647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1488626928641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8453502 + ... + 8627800.

Almost surely, 2^{1488626928649} is an apocalyptic number.

1488626928649 is the 1220093-rd square number.

1488626928649 is the 610047-th centered octagonal number.

It is an amenable number.

1488626928649 is a deficient number, since it is larger than the sum of its proper divisors (243051066308).

1488626928649 is an frugal number, since it uses more digits than its factorization.

1488626928649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348612 (or 174306 counting only the distinct ones).

The product of its digits is 573308928, while the sum is 73.

The spelling of 1488626928649 in words is "one trillion, four hundred eighty-eight billion, six hundred twenty-six million, nine hundred twenty-eight thousand, six hundred forty-nine".