2146744966 has 8 divisors (see below), whose sum is σ = 3280874544. Its totient is φ = 1053120120.

The previous prime is 2146744949. The next prime is 2146744967. The reversal of 2146744966 is 6694476412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146744967) 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, 10126050 + ... + 10126261.

It is an arithmetic number, because the mean of its divisors is an integer number (410109318).

Almost surely, 2^2146744966 is an apocalyptic number.

2146744966 is a deficient number, since it is larger than the sum of its proper divisors (1134129578).

2146744966 is a wasteful number, since it uses less digits than its factorization.

2146744966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20252366.

The product of its digits is 1741824, while the sum is 49.

The square root of 2146744966 is about 46332.9792480475. The cubic root of 2146744966 is about 1290.0112103667.

The spelling of 2146744966 in words is "two billion, one hundred forty-six million, seven hundred forty-four thousand, nine hundred sixty-six".