535716649 has 6 divisors (see below), whose sum is σ = 580095726. Its totient is φ = 494507520.

The previous prime is 535716641. The next prime is 535716653. The reversal of 535716649 is 946617535.

It can be written as a sum of positive squares in 3 ways, for example, as 71098624 + 464618025 = 8432^2 + 21555^2 .

It is not a de Polignac number, because 535716649 - 2³ = 535716641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 535716599 and 535716608.

It is not an unprimeable number, because it can be changed into a prime (535716641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1584792 + ... + 1585129.

It is an arithmetic number, because the mean of its divisors is an integer number (96682621).

Almost surely, 2^535716649 is an apocalyptic number.

It is an amenable number.

535716649 is a deficient number, since it is larger than the sum of its proper divisors (44379077).

535716649 is a wasteful number, since it uses less digits than its factorization.

535716649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169947 (or 3169934 counting only the distinct ones).

The product of its digits is 680400, while the sum is 46.

The square root of 535716649 is about 23145.5535470639. The cubic root of 535716649 is about 812.1664550929.

The spelling of 535716649 in words is "five hundred thirty-five million, seven hundred sixteen thousand, six hundred forty-nine".