14985763851593 has 2 divisors, whose sum is σ = 14985763851594. Its totient is φ = 14985763851592.

The previous prime is 14985763851469. The next prime is 14985763851623. The reversal of 14985763851593 is 39515836758941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13946430498064 + 1039333353529 = 3734492^2 + 1019477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14985763851593 is a prime.

It is a super-2 number, since 2×14985763851593² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14985763851593.

It is not a weakly prime, because it can be changed into another prime (14985733851593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7492881925796 + 7492881925797.

It is an arithmetic number, because the mean of its divisors is an integer number (7492881925797).

Almost surely, 2^{14985763851593} is an apocalyptic number.

It is an amenable number.

14985763851593 is a deficient number, since it is larger than the sum of its proper divisors (1).

14985763851593 is an equidigital number, since it uses as much as digits as its factorization.

14985763851593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776000, while the sum is 74.

The spelling of 14985763851593 in words is "fourteen trillion, nine hundred eighty-five billion, seven hundred sixty-three million, eight hundred fifty-one thousand, five hundred ninety-three".