1489771724452 has 36 divisors (see below), whose sum is σ = 2869889446620. Its totient is φ = 676168567360.

The previous prime is 1489771724437. The next prime is 1489771724471. The reversal of 1489771724452 is 2544271779841.

It can be written as a sum of positive squares in 2 ways, for example, as 1092576829696 + 397194894756 = 1045264^2 + 630234^2 .

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, 1945627 + ... + 2600962.

It is an arithmetic number, because the mean of its divisors is an integer number (79719151295).

Almost surely, 2^{1489771724452} is an apocalyptic number.

It is an amenable number.

1489771724452 is a deficient number, since it is larger than the sum of its proper divisors (1380117722168).

1489771724452 is a wasteful number, since it uses less digits than its factorization.

1489771724452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547292 (or 4547279 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 61.

The spelling of 1489771724452 in words is "one trillion, four hundred eighty-nine billion, seven hundred seventy-one million, seven hundred twenty-four thousand, four hundred fifty-two".