527021164021 has 4 divisors (see below), whose sum is σ = 574932178944. Its totient is φ = 479110149100.

The previous prime is 527021164013. The next prime is 527021164049. The reversal of 527021164021 is 120461120725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 527021164021 - 2³ = 527021164013 is a prime.

It is a super-4 number, since 4×527021164021⁴ (a number of 48 digits) contains 4444 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 (527021164921) 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 3 ways as a sum of consecutive naturals, for example, 23955507445 + ... + 23955507466.

It is an arithmetic number, because the mean of its divisors is an integer number (143733044736).

Almost surely, 2^527021164021 is an apocalyptic number.

It is an amenable number.

527021164021 is a deficient number, since it is larger than the sum of its proper divisors (47911014923).

527021164021 is a wasteful number, since it uses less digits than its factorization.

527021164021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47911014922.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 527021164021 its reverse (120461120725), we get a palindrome (647482284746).

The spelling of 527021164021 in words is "five hundred twenty-seven billion, twenty-one million, one hundred sixty-four thousand, twenty-one".