524629321969 has 3 divisors (see below), whose sum is σ = 524630046283. Its totient is φ = 524628597656.

The previous prime is 524629321939. The next prime is 524629322117. The reversal of 524629321969 is 969123926425.

The square root of 524629321969 is 724313.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 15849551025 + 508779770944 = 125895^2 + 713288^2 .

It is not a de Polignac number, because 524629321969 - 2¹⁹ = 524628797681 is a prime.

It is a super-2 number, since 2×524629321969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (524629321919) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 362157 + ... + 1086469.

Almost surely, 2^524629321969 is an apocalyptic number.

524629321969 is the 724313-rd square number.

524629321969 is the 362157-th centered octagonal number.

It is an amenable number.

524629321969 is a deficient number, since it is larger than the sum of its proper divisors (724314).

524629321969 is an frugal number, since it uses more digits than its factorization.

524629321969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448626 (or 724313 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 58.

The spelling of 524629321969 in words is "five hundred twenty-four billion, six hundred twenty-nine million, three hundred twenty-one thousand, nine hundred sixty-nine".