93520518389 has 2 divisors, whose sum is σ = 93520518390. Its totient is φ = 93520518388.

The previous prime is 93520518383. The next prime is 93520518409. The reversal of 93520518389 is 98381502539.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87716668900 + 5803849489 = 296170^2 + 76183^2 .

It is a cyclic number.

It is not a de Polignac number, because 93520518389 - 2²⁸ = 93252082933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93520518389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93520518383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46760259194 + 46760259195.

It is an arithmetic number, because the mean of its divisors is an integer number (46760259195).

Almost surely, 2^93520518389 is an apocalyptic number.

It is an amenable number.

93520518389 is a deficient number, since it is larger than the sum of its proper divisors (1).

93520518389 is an equidigital number, since it uses as much as digits as its factorization.

93520518389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 93520518389 in words is "ninety-three billion, five hundred twenty million, five hundred eighteen thousand, three hundred eighty-nine".