3911845842 has 24 divisors (see below), whose sum is σ = 8844174144. Its totient is φ = 1247255064.

The previous prime is 3911845829. The next prime is 3911845867. The reversal of 3911845842 is 2485481193.

3911845842 is a `hidden beast` number, since 391 + 184 + 5 + 84 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4724038 + ... + 4724865.

It is an arithmetic number, because the mean of its divisors is an integer number (368507256).

Almost surely, 2^3911845842 is an apocalyptic number.

3911845842 is an abundant number, since it is smaller than the sum of its proper divisors (4932328302).

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

3911845842 is a wasteful number, since it uses less digits than its factorization.

3911845842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9448934 (or 9448931 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 3911845842 is about 62544.7507149881. The cubic root of 3911845842 is about 1575.6529875892.

The spelling of 3911845842 in words is "three billion, nine hundred eleven million, eight hundred forty-five thousand, eight hundred forty-two".