526400553473 has 2 divisors, whose sum is σ = 526400553474. Its totient is φ = 526400553472.

The previous prime is 526400553451. The next prime is 526400553499. The reversal of 526400553473 is 374355004625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397597085809 + 128803467664 = 630553^2 + 358892^2 .

It is a cyclic number.

It is not a de Polignac number, because 526400553473 - 2¹⁰ = 526400552449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (526400553433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263200276736 + 263200276737.

It is an arithmetic number, because the mean of its divisors is an integer number (263200276737).

Almost surely, 2^526400553473 is an apocalyptic number.

It is an amenable number.

526400553473 is a deficient number, since it is larger than the sum of its proper divisors (1).

526400553473 is an equidigital number, since it uses as much as digits as its factorization.

526400553473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 44.

The spelling of 526400553473 in words is "five hundred twenty-six billion, four hundred million, five hundred fifty-three thousand, four hundred seventy-three".