536871649 has 2 divisors, whose sum is σ = 536871650. Its totient is φ = 536871648.

The previous prime is 536871637. The next prime is 536871703. The reversal of 536871649 is 946178635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 535089424 + 1782225 = 23132^2 + 1335^2 .

It is a cyclic number.

It is not a de Polignac number, because 536871649 - 2²⁷ = 402653921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (536871449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268435824 + 268435825.

It is an arithmetic number, because the mean of its divisors is an integer number (268435825).

Almost surely, 2^536871649 is an apocalyptic number.

It is an amenable number.

536871649 is a deficient number, since it is larger than the sum of its proper divisors (1).

536871649 is an equidigital number, since it uses as much as digits as its factorization.

536871649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 536871649 is about 23170.4909097757. The cubic root of 536871649 is about 812.7497105134.

The spelling of 536871649 in words is "five hundred thirty-six million, eight hundred seventy-one thousand, six hundred forty-nine".