2146421306 has 8 divisors (see below), whose sum is σ = 3264979104. Its totient is φ = 1058094940.

The previous prime is 2146421297. The next prime is 2146421323. The reversal of 2146421306 is 6031246412.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7557680 + ... + 7557963.

It is an arithmetic number, because the mean of its divisors is an integer number (408122388).

Almost surely, 2^2146421306 is an apocalyptic number.

2146421306 is a deficient number, since it is larger than the sum of its proper divisors (1118557798).

2146421306 is a wasteful number, since it uses less digits than its factorization.

2146421306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15115716.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2146421306 is about 46329.4863558835. The cubic root of 2146421306 is about 1289.9463763940.

Adding to 2146421306 its reverse (6031246412), we get a palindrome (8177667718).

The spelling of 2146421306 in words is "two billion, one hundred forty-six million, four hundred twenty-one thousand, three hundred six".