534544649 has 2 divisors, whose sum is σ = 534544650. Its totient is φ = 534544648.

The previous prime is 534544609. The next prime is 534544711. The reversal of 534544649 is 946445435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275560000 + 258984649 = 16600^2 + 16093^2 .

It is a cyclic number.

It is not a de Polignac number, because 534544649 - 2²⁴ = 517767433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (534544609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267272324 + 267272325.

It is an arithmetic number, because the mean of its divisors is an integer number (267272325).

Almost surely, 2^534544649 is an apocalyptic number.

It is an amenable number.

534544649 is a deficient number, since it is larger than the sum of its proper divisors (1).

534544649 is an equidigital number, since it uses as much as digits as its factorization.

534544649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 44.

The square root of 534544649 is about 23120.2216468614. The cubic root of 534544649 is about 811.5737574004.

It can be divided in two parts, 5345 and 44649, that added together give a palindrome (49994).

The spelling of 534544649 in words is "five hundred thirty-four million, five hundred forty-four thousand, six hundred forty-nine".