526141665437 has 2 divisors, whose sum is σ = 526141665438. Its totient is φ = 526141665436.

The previous prime is 526141665431. The next prime is 526141665449. The reversal of 526141665437 is 734566141625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373900452676 + 152241212761 = 611474^2 + 390181^2 .

It is a cyclic number.

It is not a de Polignac number, because 526141665437 - 2²² = 526137471133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526141665431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263070832718 + 263070832719.

It is an arithmetic number, because the mean of its divisors is an integer number (263070832719).

Almost surely, 2^526141665437 is an apocalyptic number.

It is an amenable number.

526141665437 is a deficient number, since it is larger than the sum of its proper divisors (1).

526141665437 is an equidigital number, since it uses as much as digits as its factorization.

526141665437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 50.

The spelling of 526141665437 in words is "five hundred twenty-six billion, one hundred forty-one million, six hundred sixty-five thousand, four hundred thirty-seven".