536449869 has 24 divisors (see below), whose sum is σ = 795580032. Its totient is φ = 348157440.

The previous prime is 536449843. The next prime is 536449871. The reversal of 536449869 is 968944635.

536449869 is a `hidden beast` number, since 536 + 4 + 49 + 8 + 69 = 666.

It is not a de Polignac number, because 536449869 - 2⁹ = 536449357 is a prime.

It is a super-2 number, since 2×536449869² = 575556923900234322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536449829) 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 in 23 ways as a sum of consecutive naturals, for example, 78354 + ... + 84924.

It is an arithmetic number, because the mean of its divisors is an integer number (33149168).

Almost surely, 2^536449869 is an apocalyptic number.

It is an amenable number.

536449869 is a deficient number, since it is larger than the sum of its proper divisors (259130163).

536449869 is a wasteful number, since it uses less digits than its factorization.

536449869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817 (or 6814 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 536449869 is about 23161.3874584404. The cubic root of 536449869 is about 812.5368158150.

The spelling of 536449869 in words is "five hundred thirty-six million, four hundred forty-nine thousand, eight hundred sixty-nine".