946839938649 has 16 divisors (see below), whose sum is σ = 1377434541504. Its totient is φ = 573753715200.

The previous prime is 946839938633. The next prime is 946839938663.

946839938649 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 946839938649 - 2⁴ = 946839938633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (946839938669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1999684 + ... + 2427429.

It is an arithmetic number, because the mean of its divisors is an integer number (86089658844).

Almost surely, 2^946839938649 is an apocalyptic number.

It is an amenable number.

946839938649 is a deficient number, since it is larger than the sum of its proper divisors (430594602855).

946839938649 is a wasteful number, since it uses less digits than its factorization.

946839938649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433608.

The product of its digits is 2176782336, while the sum is 78.

The spelling of 946839938649 in words is "nine hundred forty-six billion, eight hundred thirty-nine million, nine hundred thirty-eight thousand, six hundred forty-nine".