2126451343 has 8 divisors (see below), whose sum is σ = 2147333760. Its totient is φ = 2105639640.

The previous prime is 2126451317. The next prime is 2126451413. The reversal of 2126451343 is 3431546212.

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

It is a cyclic number.

It is not a de Polignac number, because 2126451343 - 2²¹ = 2124354191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126457343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43798 + ... + 78556.

It is an arithmetic number, because the mean of its divisors is an integer number (268416720).

Almost surely, 2^2126451343 is an apocalyptic number.

2126451343 is a deficient number, since it is larger than the sum of its proper divisors (20882417).

2126451343 is a wasteful number, since it uses less digits than its factorization.

2126451343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35357.

The product of its digits is 17280, while the sum is 31.

The square root of 2126451343 is about 46113.4616245625. The cubic root of 2126451343 is about 1285.9334198208.

Adding to 2126451343 its reverse (3431546212), we get a palindrome (5557997555).

The spelling of 2126451343 in words is "two billion, one hundred twenty-six million, four hundred fifty-one thousand, three hundred forty-three".