527991871249 has 8 divisors (see below), whose sum is σ = 529255110888. Its totient is φ = 526730138880.

The previous prime is 527991871241. The next prime is 527991871339. The reversal of 527991871249 is 942178199725.

It can be written as a sum of positive squares in 4 ways, for example, as 9349923025 + 518641948224 = 96695^2 + 720168^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 527991871249 - 2³ = 527991871241 is a prime.

It is a super-2 number, since 2×527991871249² (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 (527991871241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326179 + ... + 1078135.

It is an arithmetic number, because the mean of its divisors is an integer number (66156888861).

Almost surely, 2^527991871249 is an apocalyptic number.

It is an amenable number.

527991871249 is a deficient number, since it is larger than the sum of its proper divisors (1263239639).

527991871249 is an equidigital number, since it uses as much as digits as its factorization.

527991871249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753635.

The product of its digits is 22861440, while the sum is 64.

The spelling of 527991871249 in words is "five hundred twenty-seven billion, nine hundred ninety-one million, eight hundred seventy-one thousand, two hundred forty-nine".