662326493 has 2 divisors, whose sum is σ = 662326494. Its totient is φ = 662326492.

The previous prime is 662326459. The next prime is 662326513. The reversal of 662326493 is 394623266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 647295364 + 15031129 = 25442^2 + 3877^2 .

It is a cyclic number.

It is not a de Polignac number, because 662326493 - 2⁶ = 662326429 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 662326493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662356493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331163246 + 331163247.

It is an arithmetic number, because the mean of its divisors is an integer number (331163247).

Almost surely, 2^662326493 is an apocalyptic number.

It is an amenable number.

662326493 is a deficient number, since it is larger than the sum of its proper divisors (1).

662326493 is an equidigital number, since it uses as much as digits as its factorization.

662326493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 41.

The square root of 662326493 is about 25735.7046338351. The cubic root of 662326493 is about 871.6805903954.

The spelling of 662326493 in words is "six hundred sixty-two million, three hundred twenty-six thousand, four hundred ninety-three".