1487738833441 has 27 divisors (see below), whose sum is σ = 1742947945011. Its totient is φ = 1266195795984.

The previous prime is 1487738833411. The next prime is 1487738833447. The reversal of 1487738833441 is 1443388377841.

It is a happy number.

The square root of 1487738833441 is 1219729.

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

It can be written as a sum of positive squares in only one way, i.e., 695674433041 + 792064400400 = 834071^2 + 889980^2 .

It is not a de Polignac number, because 1487738833441 - 2⁵ = 1487738833409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1487738833441.

It is not an unprimeable number, because it can be changed into a prime (1487738833447) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1391710255 + ... + 1391711323.

It is an arithmetic number, because the mean of its divisors is an integer number (64553627593).

Almost surely, 2^{1487738833441} is an apocalyptic number.

1487738833441 is the 1219729-th square number.

1487738833441 is the 609865-th centered octagonal number.

It is an amenable number.

1487738833441 is a deficient number, since it is larger than the sum of its proper divisors (255209111570).

1487738833441 is an frugal number, since it uses more digits than its factorization.

1487738833441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478 (or 1239 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 61.

The spelling of 1487738833441 in words is "one trillion, four hundred eighty-seven billion, seven hundred thirty-eight million, eight hundred thirty-three thousand, four hundred forty-one".