946112139891 has 48 divisors (see below), whose sum is σ = 1408499269632. Its totient is φ = 611600150400.

The previous prime is 946112139881. The next prime is 946112139967. The reversal of 946112139891 is 198931211649.

It is a happy number.

946112139891 is a `hidden beast` number, since 9 + 4 + 611 + 2 + 13 + 9 + 8 + 9 + 1 = 666.

946112139891 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 946112139891 - 2⁶ = 946112139827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (946112139871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90419326 + ... + 90429788.

It is an arithmetic number, because the mean of its divisors is an integer number (29343734784).

Almost surely, 2^946112139891 is an apocalyptic number.

946112139891 is a deficient number, since it is larger than the sum of its proper divisors (462387129741).

946112139891 is a wasteful number, since it uses less digits than its factorization.

946112139891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11984 (or 11981 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The spelling of 946112139891 in words is "nine hundred forty-six billion, one hundred twelve million, one hundred thirty-nine thousand, eight hundred ninety-one".