1655522450797 has 2 divisors, whose sum is σ = 1655522450798. Its totient is φ = 1655522450796.

The previous prime is 1655522450717. The next prime is 1655522450833. The reversal of 1655522450797 is 7970542255561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1225329446916 + 430193003881 = 1106946^2 + 655891^2 .

It is a cyclic number.

It is not a de Polignac number, because 1655522450797 - 2¹⁵ = 1655522418029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1655522450717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827761225398 + 827761225399.

It is an arithmetic number, because the mean of its divisors is an integer number (827761225399).

Almost surely, 2^{1655522450797} is an apocalyptic number.

It is an amenable number.

1655522450797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655522450797 is an equidigital number, since it uses as much as digits as its factorization.

1655522450797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460000, while the sum is 58.

The spelling of 1655522450797 in words is "one trillion, six hundred fifty-five billion, five hundred twenty-two million, four hundred fifty thousand, seven hundred ninety-seven".