2143454341 has 16 divisors (see below), whose sum is σ = 2558988288. Its totient is φ = 1755428400.

The previous prime is 2143454329. The next prime is 2143454381. The reversal of 2143454341 is 1434543412.

It is a cyclic number.

It is not a de Polignac number, because 2143454341 - 2²¹ = 2141357189 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143454381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149476 + ... + 163186.

It is an arithmetic number, because the mean of its divisors is an integer number (159936768).

Almost surely, 2^2143454341 is an apocalyptic number.

It is an amenable number.

2143454341 is a deficient number, since it is larger than the sum of its proper divisors (415533947).

2143454341 is a wasteful number, since it uses less digits than its factorization.

2143454341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14712.

The product of its digits is 23040, while the sum is 31.

The square root of 2143454341 is about 46297.4550164477. The cubic root of 2143454341 is about 1289.3517446794.

Adding to 2143454341 its reverse (1434543412), we get a palindrome (3577997753).

The spelling of 2143454341 in words is "two billion, one hundred forty-three million, four hundred fifty-four thousand, three hundred forty-one".