1439289033987 has 16 divisors (see below), whose sum is σ = 2193279299840. Its totient is φ = 822422015712.

The previous prime is 1439289033983. The next prime is 1439289033997. The reversal of 1439289033987 is 7893309829341.

It is not a de Polignac number, because 1439289033987 - 2² = 1439289033983 is a prime.

It is a super-2 number, since 2×1439289033987² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1439289033983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582412 + ... + 1793817.

It is an arithmetic number, because the mean of its divisors is an integer number (137079956240).

Almost surely, 2^{1439289033987} is an apocalyptic number.

1439289033987 is a deficient number, since it is larger than the sum of its proper divisors (753990265853).

1439289033987 is a wasteful number, since it uses less digits than its factorization.

1439289033987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405082.

The product of its (nonzero) digits is 70543872, while the sum is 66.

The spelling of 1439289033987 in words is "one trillion, four hundred thirty-nine billion, two hundred eighty-nine million, thirty-three thousand, nine hundred eighty-seven".