3946730428644 has 12 divisors (see below), whose sum is σ = 9209037666864. Its totient is φ = 1315576809544.

The previous prime is 3946730428601. The next prime is 3946730428651. The reversal of 3946730428644 is 4468240376493.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164447101182 + ... + 164447101205.

It is an arithmetic number, because the mean of its divisors is an integer number (767419805572).

Almost surely, 2^{3946730428644} is an apocalyptic number.

It is an amenable number.

3946730428644 is an abundant number, since it is smaller than the sum of its proper divisors (5262307238220).

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

3946730428644 is a wasteful number, since it uses less digits than its factorization.

3946730428644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328894202394 (or 328894202392 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 60.

The spelling of 3946730428644 in words is "three trillion, nine hundred forty-six billion, seven hundred thirty million, four hundred twenty-eight thousand, six hundred forty-four".