8820443400969 has 4 divisors (see below), whose sum is σ = 11760591201296. Its totient is φ = 5880295600644.

The previous prime is 8820443400953. The next prime is 8820443401031. The reversal of 8820443400969 is 9690043440288.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8820443400969 - 2⁴ = 8820443400953 is a prime.

It is a super-2 number, since 2×8820443400969² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8820443400169) 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, 1470073900159 + ... + 1470073900164.

It is an arithmetic number, because the mean of its divisors is an integer number (2940147800324).

Almost surely, 2^{8820443400969} is an apocalyptic number.

It is an amenable number.

8820443400969 is a deficient number, since it is larger than the sum of its proper divisors (2940147800327).

8820443400969 is a wasteful number, since it uses less digits than its factorization.

8820443400969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940147800326.

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 8820443400969 in words is "eight trillion, eight hundred twenty billion, four hundred forty-three million, four hundred thousand, nine hundred sixty-nine".