9491628141 has 8 divisors (see below), whose sum is σ = 14061671360. Its totient is φ = 6327752076.

The previous prime is 9491628137. The next prime is 9491628161. The reversal of 9491628141 is 1418261949.

It is a happy number.

9491628141 is a `hidden beast` number, since 9 + 4 + 9 + 1 + 628 + 14 + 1 = 666.

It is not a de Polignac number, because 9491628141 - 2² = 9491628137 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 (9491628131) 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, 175770865 + ... + 175770918.

It is an arithmetic number, because the mean of its divisors is an integer number (1757708920).

Almost surely, 2^9491628141 is an apocalyptic number.

It is an amenable number.

9491628141 is a deficient number, since it is larger than the sum of its proper divisors (4570043219).

9491628141 is a wasteful number, since it uses less digits than its factorization.

9491628141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351541792 (or 351541786 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 9491628141 is about 97424.9872517313. The cubic root of 9491628141 is about 2117.2894738861.

The spelling of 9491628141 in words is "nine billion, four hundred ninety-one million, six hundred twenty-eight thousand, one hundred forty-one".