2146248619 has 4 divisors (see below), whose sum is σ = 2146371480. Its totient is φ = 2146125760.

The previous prime is 2146248613. The next prime is 2146248659. The reversal of 2146248619 is 9168426412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2146248619 is a prime.

It is a super-2 number, since 2×2146248619² = 9212766269118814322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146248613) 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, 29797 + ... + 71974.

It is an arithmetic number, because the mean of its divisors is an integer number (536592870).

Almost surely, 2^2146248619 is an apocalyptic number.

2146248619 is a deficient number, since it is larger than the sum of its proper divisors (122861).

2146248619 is a wasteful number, since it uses less digits than its factorization.

2146248619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122860.

The product of its digits is 165888, while the sum is 43.

The square root of 2146248619 is about 46327.6226348817. The cubic root of 2146248619 is about 1289.9117819207.

The spelling of 2146248619 in words is "two billion, one hundred forty-six million, two hundred forty-eight thousand, six hundred nineteen".