662268270491 has 2 divisors, whose sum is σ = 662268270492. Its totient is φ = 662268270490.

The previous prime is 662268270451. The next prime is 662268270493. The reversal of 662268270491 is 194072862266.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 662268270491 - 2¹⁴ = 662268254107 is a prime.

Together with 662268270493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (662268270493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331134135245 + 331134135246.

It is an arithmetic number, because the mean of its divisors is an integer number (331134135246).

Almost surely, 2^662268270491 is an apocalyptic number.

662268270491 is a deficient number, since it is larger than the sum of its proper divisors (1).

662268270491 is an equidigital number, since it uses as much as digits as its factorization.

662268270491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 662268270491 in words is "six hundred sixty-two billion, two hundred sixty-eight million, two hundred seventy thousand, four hundred ninety-one".