526890132722 has 6 divisors (see below), whose sum is σ = 790336738893. Its totient is φ = 263444553092.

The previous prime is 526890132719. The next prime is 526890132733. The reversal of 526890132722 is 227231098625.

It can be written as a sum of positive squares in 2 ways, for example, as 363957617521 + 162932515201 = 603289^2 + 403649^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=513269.

It is a super-2 number, since 2×526890132722² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 769904 + ... + 1283172.

Almost surely, 2^526890132722 is an apocalyptic number.

526890132722 is a deficient number, since it is larger than the sum of its proper divisors (263446606171).

526890132722 is an frugal number, since it uses more digits than its factorization.

526890132722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026540 (or 513271 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 526890132722 in words is "five hundred twenty-six billion, eight hundred ninety million, one hundred thirty-two thousand, seven hundred twenty-two".