946844448649 has 16 divisors (see below), whose sum is σ = 1054959987456. Its totient is φ = 842404182400.

The previous prime is 946844448647. The next prime is 946844448659.

946844448649 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 946844448649 - 2¹ = 946844448647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (946844448647) 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, 10990389 + ... + 11076205.

It is an arithmetic number, because the mean of its divisors is an integer number (65934999216).

Almost surely, 2^946844448649 is an apocalyptic number.

It is an amenable number.

946844448649 is a deficient number, since it is larger than the sum of its proper divisors (108115538807).

946844448649 is a wasteful number, since it uses less digits than its factorization.

946844448649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107216.

The product of its digits is 764411904, while the sum is 70.

The spelling of 946844448649 in words is "nine hundred forty-six billion, eight hundred forty-four million, four hundred forty-eight thousand, six hundred forty-nine".