9223774490989 has 8 divisors (see below), whose sum is σ = 9308592644120. Its totient is φ = 9138959908416.

The previous prime is 9223774490971. The next prime is 9223774491007. The reversal of 9223774490989 is 9890944773229.

9223774490989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9223774490971) and next prime (9223774491007).

It can be written as a sum of positive squares in 4 ways, for example, as 4961903266089 + 4261871224900 = 2227533^2 + 2064430^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9223774490989 - 2¹¹ = 9223774488941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9223774490939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4443679 + ... + 6180115.

It is an arithmetic number, because the mean of its divisors is an integer number (1163574080515).

Almost surely, 2^{9223774490989} is an apocalyptic number.

It is an amenable number.

9223774490989 is a deficient number, since it is larger than the sum of its proper divisors (84818153131).

9223774490989 is a wasteful number, since it uses less digits than its factorization.

9223774490989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785279.

The product of its (nonzero) digits is 493807104, while the sum is 73.

The spelling of 9223774490989 in words is "nine trillion, two hundred twenty-three billion, seven hundred seventy-four million, four hundred ninety thousand, nine hundred eighty-nine".