221413353462659 has 2 divisors, whose sum is σ = 221413353462660. Its totient is φ = 221413353462658.

The previous prime is 221413353462607. The next prime is 221413353462731. The reversal of 221413353462659 is 956264353314122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221413353462659 - 2⁸ = 221413353462403 is a prime.

It is not a weakly prime, because it can be changed into another prime (221413353464659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110706676731329 + 110706676731330.

It is an arithmetic number, because the mean of its divisors is an integer number (110706676731330).

Almost surely, 2^{221413353462659} is an apocalyptic number.

221413353462659 is a deficient number, since it is larger than the sum of its proper divisors (1).

221413353462659 is an equidigital number, since it uses as much as digits as its factorization.

221413353462659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27993600, while the sum is 56.

The spelling of 221413353462659 in words is "two hundred twenty-one trillion, four hundred thirteen billion, three hundred fifty-three million, four hundred sixty-two thousand, six hundred fifty-nine".