526947895321 has 4 divisors (see below), whose sum is σ = 528906809700. Its totient is φ = 524988980944.

The previous prime is 526947895303. The next prime is 526947895337. The reversal of 526947895321 is 123598749625.

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 81418344921 + 445529550400 = 285339^2 + 667480^2 .

It is a cyclic number.

It is not a de Polignac number, because 526947895321 - 2³⁵ = 492588156953 is a prime.

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 526947895321.

It is not an unprimeable number, because it can be changed into a prime (526947895351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979456786 + ... + 979457323.

It is an arithmetic number, because the mean of its divisors is an integer number (132226702425).

Almost surely, 2^526947895321 is an apocalyptic number.

It is an amenable number.

526947895321 is a deficient number, since it is larger than the sum of its proper divisors (1958914379).

526947895321 is a wasteful number, since it uses less digits than its factorization.

526947895321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958914378.

The product of its digits is 32659200, while the sum is 61.

The spelling of 526947895321 in words is "five hundred twenty-six billion, nine hundred forty-seven million, eight hundred ninety-five thousand, three hundred twenty-one".