9449904769 has 4 divisors (see below), whose sum is σ = 9538221744. Its totient is φ = 9361587796.

The previous prime is 9449904749. The next prime is 9449904787. The reversal of 9449904769 is 9674099449.

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 9449904769 - 2¹⁹ = 9449380481 is a prime.

It is a super-2 number, since 2×9449904769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9449904749) 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, 44158327 + ... + 44158540.

It is an arithmetic number, because the mean of its divisors is an integer number (2384555436).

Almost surely, 2^9449904769 is an apocalyptic number.

It is an amenable number.

9449904769 is a deficient number, since it is larger than the sum of its proper divisors (88316975).

9449904769 is a wasteful number, since it uses less digits than its factorization.

9449904769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88316974.

The product of its (nonzero) digits is 17635968, while the sum is 61.

The square root of 9449904769 is about 97210.6206594732. The cubic root of 9449904769 is about 2114.1825177829.

The spelling of 9449904769 in words is "nine billion, four hundred forty-nine million, nine hundred four thousand, seven hundred sixty-nine".