2153343499 has 2 divisors, whose sum is σ = 2153343500. Its totient is φ = 2153343498.

The previous prime is 2153343497. The next prime is 2153343541. The reversal of 2153343499 is 9943433512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2153343499 - 2¹ = 2153343497 is a prime.

Together with 2153343497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2153343497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076671749 + 1076671750.

It is an arithmetic number, because the mean of its divisors is an integer number (1076671750).

Almost surely, 2^2153343499 is an apocalyptic number.

2153343499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153343499 is an equidigital number, since it uses as much as digits as its factorization.

2153343499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 43.

The square root of 2153343499 is about 46404.1323483157. The cubic root of 2153343499 is about 1291.3315775788.

The spelling of 2153343499 in words is "two billion, one hundred fifty-three million, three hundred forty-three thousand, four hundred ninety-nine".