404744481069 has 4 divisors (see below), whose sum is σ = 539659308096. Its totient is φ = 269829654044.

The previous prime is 404744481067. The next prime is 404744481157. The reversal of 404744481069 is 960184447404.

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 a cyclic number.

It is not a de Polignac number, because 404744481069 - 2¹ = 404744481067 is a prime.

It is a super-2 number, since 2×404744481069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404744481067) 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, 67457413509 + ... + 67457413514.

It is an arithmetic number, because the mean of its divisors is an integer number (134914827024).

Almost surely, 2^404744481069 is an apocalyptic number.

It is an amenable number.

404744481069 is a deficient number, since it is larger than the sum of its proper divisors (134914827027).

404744481069 is a wasteful number, since it uses less digits than its factorization.

404744481069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134914827026.

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 404744481069 in words is "four hundred four billion, seven hundred forty-four million, four hundred eighty-one thousand, sixty-nine".