662036793493 has 2 divisors, whose sum is σ = 662036793494. Its totient is φ = 662036793492.

The previous prime is 662036793449. The next prime is 662036793503. The reversal of 662036793493 is 394397630266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408240489969 + 253796303524 = 638937^2 + 503782^2 .

It is a cyclic number.

It is not a de Polignac number, because 662036793493 - 2⁹ = 662036792981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662036794493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331018396746 + 331018396747.

It is an arithmetic number, because the mean of its divisors is an integer number (331018396747).

Almost surely, 2^662036793493 is an apocalyptic number.

It is an amenable number.

662036793493 is a deficient number, since it is larger than the sum of its proper divisors (1).

662036793493 is an equidigital number, since it uses as much as digits as its factorization.

662036793493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26453952, while the sum is 58.

The spelling of 662036793493 in words is "six hundred sixty-two billion, thirty-six million, seven hundred ninety-three thousand, four hundred ninety-three".