2645743537 has 2 divisors, whose sum is σ = 2645743538. Its totient is φ = 2645743536.

The previous prime is 2645743531. The next prime is 2645743543. The reversal of 2645743537 is 7353475462.

It is a balanced prime because it is at equal distance from previous prime (2645743531) and next prime (2645743543).

It can be written as a sum of positive squares in only one way, i.e., 2417098896 + 228644641 = 49164^2 + 15121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2645743537 is a prime.

It is a super-3 number, since 3×2645743537³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2645743531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322871768 + 1322871769.

It is an arithmetic number, because the mean of its divisors is an integer number (1322871769).

Almost surely, 2^2645743537 is an apocalyptic number.

It is an amenable number.

2645743537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645743537 is an equidigital number, since it uses as much as digits as its factorization.

2645743537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 46.

The square root of 2645743537 is about 51436.7916670548. The cubic root of 2645743537 is about 1383.0861996158.

The spelling of 2645743537 in words is "two billion, six hundred forty-five million, seven hundred forty-three thousand, five hundred thirty-seven".