1327526669 has 12 divisors (see below), whose sum is σ = 1573405884. Its totient is φ = 1116408384.

The previous prime is 1327526647. The next prime is 1327526693. The reversal of 1327526669 is 9666257231.

It can be written as a sum of positive squares in 2 ways, for example, as 659976100 + 667550569 = 25690^2 + 25837^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1327526669 is a prime.

It is a super-2 number, since 2×1327526669² = 3524654113812471122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327526699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252992 + ... + 258185.

It is an arithmetic number, because the mean of its divisors is an integer number (131117157).

Almost surely, 2^1327526669 is an apocalyptic number.

It is an amenable number.

1327526669 is a deficient number, since it is larger than the sum of its proper divisors (245879215).

1327526669 is an equidigital number, since it uses as much as digits as its factorization.

1327526669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511244 (or 511237 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 1327526669 is about 36435.2393844201. The cubic root of 1327526669 is about 1099.0423259829.

The spelling of 1327526669 in words is "one billion, three hundred twenty-seven million, five hundred twenty-six thousand, six hundred sixty-nine".