946386660447 has 6 divisors (see below), whose sum is σ = 1367002953992. Its totient is φ = 630924440292.

The previous prime is 946386660433. The next prime is 946386660451. The reversal of 946386660447 is 744066683649.

It is not a de Polignac number, because 946386660447 - 2¹⁰ = 946386659423 is a prime.

It is a super-2 number, since 2×946386660447² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946386660647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52577036683 + ... + 52577036700.

Almost surely, 2^946386660447 is an apocalyptic number.

946386660447 is a deficient number, since it is larger than the sum of its proper divisors (420616293545).

946386660447 is a wasteful number, since it uses less digits than its factorization.

946386660447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105154073389 (or 105154073386 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 63.

The spelling of 946386660447 in words is "nine hundred forty-six billion, three hundred eighty-six million, six hundred sixty thousand, four hundred forty-seven".