1284520953593 has 2 divisors, whose sum is σ = 1284520953594. Its totient is φ = 1284520953592.

The previous prime is 1284520953509. The next prime is 1284520953613. The reversal of 1284520953593 is 3953590254821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1166220726889 + 118300226704 = 1079917^2 + 343948^2 .

It is a cyclic number.

It is not a de Polignac number, because 1284520953593 - 2¹⁰ = 1284520952569 is a prime.

It is not a weakly prime, because it can be changed into another prime (1284520953503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642260476796 + 642260476797.

It is an arithmetic number, because the mean of its divisors is an integer number (642260476797).

Almost surely, 2^{1284520953593} is an apocalyptic number.

It is an amenable number.

1284520953593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1284520953593 is an equidigital number, since it uses as much as digits as its factorization.

1284520953593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664000, while the sum is 56.

The spelling of 1284520953593 in words is "one trillion, two hundred eighty-four billion, five hundred twenty million, nine hundred fifty-three thousand, five hundred ninety-three".