2140344533 has 2 divisors, whose sum is σ = 2140344534. Its totient is φ = 2140344532.

The previous prime is 2140344431. The next prime is 2140344553. The reversal of 2140344533 is 3354430412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2122721329 + 17623204 = 46073^2 + 4198^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140344533 - 2²² = 2136150229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2140344496 and 2140344505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140344553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070172266 + 1070172267.

It is an arithmetic number, because the mean of its divisors is an integer number (1070172267).

Almost surely, 2^2140344533 is an apocalyptic number.

It is an amenable number.

2140344533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140344533 is an equidigital number, since it uses as much as digits as its factorization.

2140344533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 2140344533 is about 46263.8577401410. The cubic root of 2140344533 is about 1288.7278954452.

Adding to 2140344533 its reverse (3354430412), we get a palindrome (5494774945).

The spelling of 2140344533 in words is "two billion, one hundred forty million, three hundred forty-four thousand, five hundred thirty-three".