526780352473 has 4 divisors (see below), whose sum is σ = 528463357108. Its totient is φ = 525097347840.

The previous prime is 526780352467. The next prime is 526780352477. The reversal of 526780352473 is 374253087625.

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 75368368089 + 451411984384 = 274533^2 + 671872^2 .

It is a cyclic number.

It is not a de Polignac number, because 526780352473 - 2⁹ = 526780351961 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 526780352473.

It is not an unprimeable number, because it can be changed into a prime (526780352477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841501848 + ... + 841502473.

It is an arithmetic number, because the mean of its divisors is an integer number (132115839277).

Almost surely, 2^526780352473 is an apocalyptic number.

It is an amenable number.

526780352473 is a deficient number, since it is larger than the sum of its proper divisors (1683004635).

526780352473 is a wasteful number, since it uses less digits than its factorization.

526780352473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683004634.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 526780352473 in words is "five hundred twenty-six billion, seven hundred eighty million, three hundred fifty-two thousand, four hundred seventy-three".