9844469774 has 4 divisors (see below), whose sum is σ = 14766704664. Its totient is φ = 4922234886.

The previous prime is 9844469773. The next prime is 9844469777. The reversal of 9844469774 is 4779644489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4779644489 = 43 ⋅111154523.

It is a super-2 number, since 2×9844469774² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9844469773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2461117442 + ... + 2461117445.

It is an arithmetic number, because the mean of its divisors is an integer number (3691676166).

Almost surely, 2^9844469774 is an apocalyptic number.

9844469774 is a deficient number, since it is larger than the sum of its proper divisors (4922234890).

9844469774 is a wasteful number, since it uses less digits than its factorization.

9844469774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922234889.

The product of its digits is 48771072, while the sum is 62.

The square root of 9844469774 is about 99219.3014186252. The cubic root of 9844469774 is about 2143.2069550571.

The spelling of 9844469774 in words is "nine billion, eight hundred forty-four million, four hundred sixty-nine thousand, seven hundred seventy-four".