1602442220791 has 2 divisors, whose sum is σ = 1602442220792. Its totient is φ = 1602442220790.

The previous prime is 1602442220767. The next prime is 1602442220809. The reversal of 1602442220791 is 1970222442061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1602442220791 - 2⁹ = 1602442220279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1602442220711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801221110395 + 801221110396.

It is an arithmetic number, because the mean of its divisors is an integer number (801221110396).

Almost surely, 2^{1602442220791} is an apocalyptic number.

1602442220791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602442220791 is an equidigital number, since it uses as much as digits as its factorization.

1602442220791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 1602442220791 in words is "one trillion, six hundred two billion, four hundred forty-two million, two hundred twenty thousand, seven hundred ninety-one".