1220592582493 has 2 divisors, whose sum is σ = 1220592582494. Its totient is φ = 1220592582492.

The previous prime is 1220592582449. The next prime is 1220592582557. The reversal of 1220592582493 is 3942852950221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 852218846649 + 368373735844 = 923157^2 + 606938^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220592582493 - 2¹³ = 1220592574301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220592582493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220592583493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610296291246 + 610296291247.

It is an arithmetic number, because the mean of its divisors is an integer number (610296291247).

Almost surely, 2^{1220592582493} is an apocalyptic number.

It is an amenable number.

1220592582493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220592582493 is an equidigital number, since it uses as much as digits as its factorization.

1220592582493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 1220592582493 in words is "one trillion, two hundred twenty billion, five hundred ninety-two million, five hundred eighty-two thousand, four hundred ninety-three".