2146312346 has 4 divisors (see below), whose sum is σ = 3219468522. Its totient is φ = 1073156172.

The previous prime is 2146312297. The next prime is 2146312361. The reversal of 2146312346 is 6432136412.

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

It can be written as a sum of positive squares in only one way, i.e., 1623687025 + 522625321 = 40295^2 + 22861^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536578085 + ... + 536578088.

Almost surely, 2^2146312346 is an apocalyptic number.

2146312346 is a deficient number, since it is larger than the sum of its proper divisors (1073156176).

2146312346 is a wasteful number, since it uses less digits than its factorization.

2146312346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073156175.

The product of its digits is 20736, while the sum is 32.

The square root of 2146312346 is about 46328.3104159865. The cubic root of 2146312346 is about 1289.9245485986.

Adding to 2146312346 its reverse (6432136412), we get a palindrome (8578448758).

The spelling of 2146312346 in words is "two billion, one hundred forty-six million, three hundred twelve thousand, three hundred forty-six".