536838149 has 2 divisors, whose sum is σ = 536838150. Its totient is φ = 536838148.

The previous prime is 536838139. The next prime is 536838151. The reversal of 536838149 is 941838635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268468225 + 268369924 = 16385^2 + 16382^2 .

It is a cyclic number.

It is not a de Polignac number, because 536838149 - 2⁸ = 536837893 is a prime.

It is a Sophie Germain prime.

Together with 536838151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536838139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268419074 + 268419075.

It is an arithmetic number, because the mean of its divisors is an integer number (268419075).

Almost surely, 2^536838149 is an apocalyptic number.

It is an amenable number.

536838149 is a deficient number, since it is larger than the sum of its proper divisors (1).

536838149 is an equidigital number, since it uses as much as digits as its factorization.

536838149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 536838149 is about 23169.7679962489. The cubic root of 536838149 is about 812.7328053669.

The spelling of 536838149 in words is "five hundred thirty-six million, eight hundred thirty-eight thousand, one hundred forty-nine".