529748449 has 4 divisors (see below), whose sum is σ = 533615364. Its totient is φ = 525881536.

The previous prime is 529748437. The next prime is 529748473. The reversal of 529748449 is 944847925.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 185831424 + 343917025 = 13632^2 + 18545^2 .

It is a cyclic number.

It is not a de Polignac number, because 529748449 - 2²¹ = 527651297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 529748396 and 529748405.

It is not an unprimeable number, because it can be changed into a prime (529748419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1933252 + ... + 1933525.

It is an arithmetic number, because the mean of its divisors is an integer number (133403841).

Almost surely, 2^529748449 is an apocalyptic number.

It is an amenable number.

529748449 is a deficient number, since it is larger than the sum of its proper divisors (3866915).

529748449 is a wasteful number, since it uses less digits than its factorization.

529748449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866914.

The product of its digits is 2903040, while the sum is 52.

The square root of 529748449 is about 23016.2648794282. The cubic root of 529748449 is about 809.1391805025.

The spelling of 529748449 in words is "five hundred twenty-nine million, seven hundred forty-eight thousand, four hundred forty-nine".