59521475061689 has 2 divisors, whose sum is σ = 59521475061690. Its totient is φ = 59521475061688.

The previous prime is 59521475061661. The next prime is 59521475061709. The reversal of 59521475061689 is 98616057412595.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35486802126400 + 24034672935289 = 5957080^2 + 4902517^2 .

It is a cyclic number.

It is not a de Polignac number, because 59521475061689 - 2¹⁶ = 59521474996153 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 (59521475061989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29760737530844 + 29760737530845.

It is an arithmetic number, because the mean of its divisors is an integer number (29760737530845).

Almost surely, 2^{59521475061689} is an apocalyptic number.

It is an amenable number.

59521475061689 is a deficient number, since it is larger than the sum of its proper divisors (1).

59521475061689 is an equidigital number, since it uses as much as digits as its factorization.

59521475061689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296000, while the sum is 68.

The spelling of 59521475061689 in words is "fifty-nine trillion, five hundred twenty-one billion, four hundred seventy-five million, sixty-one thousand, six hundred eighty-nine".