9144748071 has 32 divisors (see below), whose sum is σ = 13680423680. Its totient is φ = 6037076448.

The previous prime is 9144748049. The next prime is 9144748073. The reversal of 9144748071 is 1708474419.

9144748071 = T₁₄₉₈₆ + T₁₄₉₈₇ + ... + T₁₅₀₆₆.

It is a happy number.

It is not a de Polignac number, because 9144748071 - 2³⁰ = 8071006247 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 (9144748073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1297860 + ... + 1304886.

It is an arithmetic number, because the mean of its divisors is an integer number (427513240).

Almost surely, 2^9144748071 is an apocalyptic number.

9144748071 is a deficient number, since it is larger than the sum of its proper divisors (4535675609).

9144748071 is a wasteful number, since it uses less digits than its factorization.

9144748071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500 (or 7494 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 9144748071 is about 95628.1761354884. The cubic root of 9144748071 is about 2091.1759802817.

The spelling of 9144748071 in words is "nine billion, one hundred forty-four million, seven hundred forty-eight thousand, seventy-one".