217113672703 has 2 divisors, whose sum is σ = 217113672704. Its totient is φ = 217113672702.

The previous prime is 217113672583. The next prime is 217113672709. The reversal of 217113672703 is 307276311712.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-217113672703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (217113672709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108556836351 + 108556836352.

It is an arithmetic number, because the mean of its divisors is an integer number (108556836352).

Almost surely, 2^217113672703 is an apocalyptic number.

217113672703 is a deficient number, since it is larger than the sum of its proper divisors (1).

217113672703 is an equidigital number, since it uses as much as digits as its factorization.

217113672703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 217113672703 in words is "two hundred seventeen billion, one hundred thirteen million, six hundred seventy-two thousand, seven hundred three".