2146458379 has 4 divisors (see below), whose sum is σ = 2311570576. Its totient is φ = 1981346184.

The previous prime is 2146458337. The next prime is 2146458401. The reversal of 2146458379 is 9738546412.

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 2146458379 - 2¹¹ = 2146456331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146458079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82556079 + ... + 82556104.

It is an arithmetic number, because the mean of its divisors is an integer number (577892644).

Almost surely, 2^2146458379 is an apocalyptic number.

2146458379 is a deficient number, since it is larger than the sum of its proper divisors (165112197).

2146458379 is a wasteful number, since it uses less digits than its factorization.

2146458379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165112196.

The product of its digits is 1451520, while the sum is 49.

The square root of 2146458379 is about 46329.8864557210. The cubic root of 2146458379 is about 1289.9538030048.

The spelling of 2146458379 in words is "two billion, one hundred forty-six million, four hundred fifty-eight thousand, three hundred seventy-nine".