259373248369 has 3 divisors (see below), whose sum is σ = 259373757657. Its totient is φ = 259372739082.

The previous prime is 259373248367. The next prime is 259373248403. The reversal of 259373248369 is 963842373952.

The square root of 259373248369 is 509287.

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 is not a de Polignac number, because 259373248369 - 2¹ = 259373248367 is a prime.

It is a super-2 number, since 2×259373248369² (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 (259373248361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 254644 + ... + 763930.

It is an arithmetic number, because the mean of its divisors is an integer number (86457919219).

Almost surely, 2^259373248369 is an apocalyptic number.

259373248369 is the 509287-th square number.

259373248369 is the 254644-th centered octagonal number.

It is an amenable number.

259373248369 is a deficient number, since it is larger than the sum of its proper divisors (509288).

259373248369 is an frugal number, since it uses more digits than its factorization.

259373248369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018574 (or 509287 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 61.

The spelling of 259373248369 in words is "two hundred fifty-nine billion, three hundred seventy-three million, two hundred forty-eight thousand, three hundred sixty-nine".