527748490369 has 3 divisors (see below), whose sum is σ = 527749216833. Its totient is φ = 527747763906.

The previous prime is 527748490363. The next prime is 527748490393. The reversal of 527748490369 is 963094847725.

The square root of 527748490369 is 726463.

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 527748490369 - 2¹¹ = 527748488321 is a prime.

It is a super-2 number, since 2×527748490369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 527748490369.

It is not an unprimeable number, because it can be changed into a prime (527748490363) 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, 363232 + ... + 1089694.

It is an arithmetic number, because the mean of its divisors is an integer number (175916405611).

Almost surely, 2^527748490369 is an apocalyptic number.

527748490369 is the 726463-rd square number.

527748490369 is the 363232-nd centered octagonal number.

It is an amenable number.

527748490369 is a deficient number, since it is larger than the sum of its proper divisors (726464).

527748490369 is an frugal number, since it uses more digits than its factorization.

527748490369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452926 (or 726463 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 64.

Multiplying 527748490369 by its sum of digits (64), we get a square (33775903383616 = 5811704²).

The spelling of 527748490369 in words is "five hundred twenty-seven billion, seven hundred forty-eight million, four hundred ninety thousand, three hundred sixty-nine".