1167928343969 has 4 divisors (see below), whose sum is σ = 1170702520980. Its totient is φ = 1165154166960.

The previous prime is 1167928343863. The next prime is 1167928343977. The reversal of 1167928343969 is 9693438297611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 379348823569 + 788579520400 = 615913^2 + 888020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167928343969 - 2²⁰ = 1167927295393 is a prime.

It is a super-2 number, since 2×1167928343969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1167928343899 and 1167928343908.

It is not an unprimeable number, because it can be changed into a prime (1167928343269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387087874 + ... + 1387088715.

It is an arithmetic number, because the mean of its divisors is an integer number (292675630245).

Almost surely, 2^{1167928343969} is an apocalyptic number.

It is an amenable number.

1167928343969 is a deficient number, since it is larger than the sum of its proper divisors (2774177011).

1167928343969 is an equidigital number, since it uses as much as digits as its factorization.

1167928343969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774177010.

The product of its digits is 105815808, while the sum is 68.

The spelling of 1167928343969 in words is "one trillion, one hundred sixty-seven billion, nine hundred twenty-eight million, three hundred forty-three thousand, nine hundred sixty-nine".