1087446439249 has 9 divisors (see below), whose sum is σ = 1092229810011. Its totient is φ = 1082683939680.

The previous prime is 1087446439243. The next prime is 1087446439253. The reversal of 1087446439249 is 9429346447801.

The square root of 1087446439249 is 1042807.

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., 817836261649 + 269610177600 = 904343^2 + 519240^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1087446439249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087446439243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 251314324 + ... + 251318650.

It is an arithmetic number, because the mean of its divisors is an integer number (121358867779).

Almost surely, 2^{1087446439249} is an apocalyptic number.

1087446439249 is the 1042807-th square number.

1087446439249 is the 521404-th centered octagonal number.

It is an amenable number.

1087446439249 is a deficient number, since it is larger than the sum of its proper divisors (4783370762).

1087446439249 is an frugal number, since it uses more digits than its factorization.

1087446439249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9136 (or 4568 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 61.

The spelling of 1087446439249 in words is "one trillion, eighty-seven billion, four hundred forty-six million, four hundred thirty-nine thousand, two hundred forty-nine".