59387640817 has 2 divisors, whose sum is σ = 59387640818. Its totient is φ = 59387640816.

The previous prime is 59387640799. The next prime is 59387640839. The reversal of 59387640817 is 71804678395.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33705655281 + 25681985536 = 183591^2 + 160256^2 .

It is a cyclic number.

It is not a de Polignac number, because 59387640817 - 2¹¹ = 59387638769 is a prime.

It is not a weakly prime, because it can be changed into another prime (59387640857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29693820408 + 29693820409.

It is an arithmetic number, because the mean of its divisors is an integer number (29693820409).

Almost surely, 2^59387640817 is an apocalyptic number.

It is an amenable number.

59387640817 is a deficient number, since it is larger than the sum of its proper divisors (1).

59387640817 is an equidigital number, since it uses as much as digits as its factorization.

59387640817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 59387640817 in words is "fifty-nine billion, three hundred eighty-seven million, six hundred forty thousand, eight hundred seventeen".