1039456988409 has 16 divisors (see below), whose sum is σ = 1584009237888. Its totient is φ = 593947379712.

The previous prime is 1039456988407. The next prime is 1039456988447. The reversal of 1039456988409 is 9048896549301.

It is not a de Polignac number, because 1039456988409 - 2¹ = 1039456988407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1039456988409.

It is not an unprimeable number, because it can be changed into a prime (1039456988407) 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, 708822 + ... + 1606655.

It is an arithmetic number, because the mean of its divisors is an integer number (99000577368).

Almost surely, 2^{1039456988409} is an apocalyptic number.

It is an amenable number.

1039456988409 is a deficient number, since it is larger than the sum of its proper divisors (544552249479).

1039456988409 is a wasteful number, since it uses less digits than its factorization.

1039456988409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336864.

The product of its (nonzero) digits is 67184640, while the sum is 66.

The spelling of 1039456988409 in words is "one trillion, thirty-nine billion, four hundred fifty-six million, nine hundred eighty-eight thousand, four hundred nine".