46139439212 has 24 divisors (see below), whose sum is σ = 82543720896. Its totient is φ = 22556492288.

The previous prime is 46139439209. The next prime is 46139439239. The reversal of 46139439212 is 21293493164.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69308 + ... + 311580.

It is an arithmetic number, because the mean of its divisors is an integer number (3439321704).

Almost surely, 2^46139439212 is an apocalyptic number.

It is an amenable number.

46139439212 is a deficient number, since it is larger than the sum of its proper divisors (36404281684).

46139439212 is a wasteful number, since it uses less digits than its factorization.

46139439212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243337 (or 243335 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The spelling of 46139439212 in words is "forty-six billion, one hundred thirty-nine million, four hundred thirty-nine thousand, two hundred twelve".