9149025081 has 32 divisors (see below), whose sum is σ = 14002560000. Its totient is φ = 5205130560.

The previous prime is 9149025047. The next prime is 9149025101. The reversal of 9149025081 is 1805209419.

It is not a de Polignac number, because 9149025081 - 2⁹ = 9149024569 is a prime.

It is a super-2 number, since 2×9149025081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9149029081) 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, 6102670 + ... + 6104168.

It is an arithmetic number, because the mean of its divisors is an integer number (437580000).

Almost surely, 2^9149025081 is an apocalyptic number.

It is an amenable number.

9149025081 is a deficient number, since it is larger than the sum of its proper divisors (4853534919).

9149025081 is a wasteful number, since it uses less digits than its factorization.

9149025081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 9149025081 is about 95650.5362295476. The cubic root of 9149025081 is about 2091.5019446677.

The spelling of 9149025081 in words is "nine billion, one hundred forty-nine million, twenty-five thousand, eighty-one".