214815216701 has 2 divisors, whose sum is σ = 214815216702. Its totient is φ = 214815216700.

The previous prime is 214815216697. The next prime is 214815216799. The reversal of 214815216701 is 107612518412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214771999225 + 43217476 = 463435^2 + 6574^2 .

It is a cyclic number.

It is not a de Polignac number, because 214815216701 - 2² = 214815216697 is a prime.

It is a super-2 number, since 2×214815216701² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214815218701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107407608350 + 107407608351.

It is an arithmetic number, because the mean of its divisors is an integer number (107407608351).

Almost surely, 2^214815216701 is an apocalyptic number.

It is an amenable number.

214815216701 is a deficient number, since it is larger than the sum of its proper divisors (1).

214815216701 is an equidigital number, since it uses as much as digits as its factorization.

214815216701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 214815216701 in words is "two hundred fourteen billion, eight hundred fifteen million, two hundred sixteen thousand, seven hundred one".