1043170645439 has 16 divisors (see below), whose sum is σ = 1182578191200. Its totient is φ = 912218184576.

The previous prime is 1043170645357. The next prime is 1043170645441. The reversal of 1043170645439 is 9345460713401.

It is a cyclic number.

It is not a de Polignac number, because 1043170645439 - 2²⁰ = 1043169596863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1043170645393 and 1043170645402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043170641439) 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, 14514677 + ... + 14586369.

It is an arithmetic number, because the mean of its divisors is an integer number (73911136950).

Almost surely, 2^{1043170645439} is an apocalyptic number.

1043170645439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1043170645439 is a deficient number, since it is larger than the sum of its proper divisors (139407545761).

1043170645439 is a wasteful number, since it uses less digits than its factorization.

1043170645439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130634.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 1043170645439 in words is "one trillion, forty-three billion, one hundred seventy million, six hundred forty-five thousand, four hundred thirty-nine".