946317819791 has 4 divisors (see below), whose sum is σ = 953125861800. Its totient is φ = 939509777784.

The previous prime is 946317819761. The next prime is 946317819803. The reversal of 946317819791 is 197918713649.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 946317819791 - 2²² = 946313625487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946317819761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3404020796 + ... + 3404021073.

It is an arithmetic number, because the mean of its divisors is an integer number (238281465450).

Almost surely, 2^946317819791 is an apocalyptic number.

946317819791 is a deficient number, since it is larger than the sum of its proper divisors (6808042009).

946317819791 is a wasteful number, since it uses less digits than its factorization.

946317819791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808042008.

The product of its digits is 20575296, while the sum is 65.

The spelling of 946317819791 in words is "nine hundred forty-six billion, three hundred seventeen million, eight hundred nineteen thousand, seven hundred ninety-one".