4091545742922 has 24 divisors (see below), whose sum is σ = 9670926301920. Its totient is φ = 1239862346280.

The previous prime is 4091545742891. The next prime is 4091545742923. The reversal of 4091545742922 is 2292475451904.

4091545742922 is a `hidden beast` number, since 4 + 0 + 9 + 1 + 545 + 7 + 4 + 2 + 92 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (4091545742923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10332186022 + ... + 10332186417.

It is an arithmetic number, because the mean of its divisors is an integer number (402955262580).

Almost surely, 2^{4091545742922} is an apocalyptic number.

4091545742922 is an abundant number, since it is smaller than the sum of its proper divisors (5579380558998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4091545742922 is a wasteful number, since it uses less digits than its factorization.

4091545742922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20664372458 (or 20664372455 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 4091545742922 in words is "four trillion, ninety-one billion, five hundred forty-five million, seven hundred forty-two thousand, nine hundred twenty-two".