6910200020189 has 2 divisors, whose sum is σ = 6910200020190. Its totient is φ = 6910200020188.

The previous prime is 6910200020167. The next prime is 6910200020291. The reversal of 6910200020189 is 9810200020196.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4929101544964 + 1981098475225 = 2220158^2 + 1407515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6910200020189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6910200020389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3455100010094 + 3455100010095.

It is an arithmetic number, because the mean of its divisors is an integer number (3455100010095).

Almost surely, 2^{6910200020189} is an apocalyptic number.

It is an amenable number.

6910200020189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6910200020189 is an equidigital number, since it uses as much as digits as its factorization.

6910200020189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 6910200020189 in words is "six trillion, nine hundred ten billion, two hundred million, twenty thousand, one hundred eighty-nine".