525766669049 has 2 divisors, whose sum is σ = 525766669050. Its totient is φ = 525766669048.

The previous prime is 525766669033. The next prime is 525766669073. The reversal of 525766669049 is 940966667525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481506924649 + 44259744400 = 693907^2 + 210380^2 .

It is a cyclic number.

It is not a de Polignac number, because 525766669049 - 2⁴ = 525766669033 is a prime.

It is not a weakly prime, because it can be changed into another prime (525766669349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262883334524 + 262883334525.

It is an arithmetic number, because the mean of its divisors is an integer number (262883334525).

Almost surely, 2^525766669049 is an apocalyptic number.

It is an amenable number.

525766669049 is a deficient number, since it is larger than the sum of its proper divisors (1).

525766669049 is an equidigital number, since it uses as much as digits as its factorization.

525766669049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 146966400, while the sum is 65.

The spelling of 525766669049 in words is "five hundred twenty-five billion, seven hundred sixty-six million, six hundred sixty-nine thousand, forty-nine".