1452749348889 has 12 divisors (see below), whose sum is σ = 2105035338276. Its totient is φ = 965444360352.

The previous prime is 1452749348881. The next prime is 1452749348903. The reversal of 1452749348889 is 9888439472541.

It is a happy number.

1452749348889 is a `hidden beast` number, since 1 + 4 + 5 + 27 + 49 + 3 + 488 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 800652723264 + 652096625625 = 894792^2 + 807525^2 .

It is not a de Polignac number, because 1452749348889 - 2³ = 1452749348881 is a prime.

It is a super-2 number, since 2×1452749348889² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1452749348881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254597454 + ... + 254603159.

It is an arithmetic number, because the mean of its divisors is an integer number (175419611523).

Almost surely, 2^{1452749348889} is an apocalyptic number.

It is an amenable number.

1452749348889 is a deficient number, since it is larger than the sum of its proper divisors (652285989387).

1452749348889 is a wasteful number, since it uses less digits than its factorization.

1452749348889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509200936 (or 509200933 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 72.

The spelling of 1452749348889 in words is "one trillion, four hundred fifty-two billion, seven hundred forty-nine million, three hundred forty-eight thousand, eight hundred eighty-nine".