1069001947399 has 4 divisors (see below), whose sum is σ = 1069180686360. Its totient is φ = 1068823208440.

The previous prime is 1069001947369. The next prime is 1069001947423. The reversal of 1069001947399 is 9937491009601.

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

It is a cyclic number.

It is not a de Polignac number, because 1069001947399 - 2⁷ = 1069001947271 is a prime.

It is a super-2 number, since 2×1069001947399² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069001947369) 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 3 ways as a sum of consecutive naturals, for example, 89360509 + ... + 89372470.

It is an arithmetic number, because the mean of its divisors is an integer number (267295171590).

Almost surely, 2^{1069001947399} is an apocalyptic number.

1069001947399 is a deficient number, since it is larger than the sum of its proper divisors (178738961).

1069001947399 is an equidigital number, since it uses as much as digits as its factorization.

1069001947399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178738960.

The product of its (nonzero) digits is 3306744, while the sum is 58.

It can be divided in two parts, 1069001 and 947399, that added together give a square (2016400 = 1420²).

The spelling of 1069001947399 in words is "one trillion, sixty-nine billion, one million, nine hundred forty-seven thousand, three hundred ninety-nine".