9144738211 has 4 divisors (see below), whose sum is σ = 10451129392. Its totient is φ = 7838347032.

The previous prime is 9144738193. The next prime is 9144738257. The reversal of 9144738211 is 1128374419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1128374419 = 13463 ⋅83813.

It is a cyclic number.

It is not a de Polignac number, because 9144738211 - 2¹⁵ = 9144705443 is a prime.

It is a super-3 number, since 3×9144738211³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9144738271) 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, 653195580 + ... + 653195593.

It is an arithmetic number, because the mean of its divisors is an integer number (2612782348).

Almost surely, 2^9144738211 is an apocalyptic number.

9144738211 is a deficient number, since it is larger than the sum of its proper divisors (1306391181).

9144738211 is a wasteful number, since it uses less digits than its factorization.

9144738211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306391180.

The product of its digits is 48384, while the sum is 40.

The square root of 9144738211 is about 95628.1245816313. The cubic root of 9144738211 is about 2091.1752287026.

The spelling of 9144738211 in words is "nine billion, one hundred forty-four million, seven hundred thirty-eight thousand, two hundred eleven".