211130341949 has 2 divisors, whose sum is σ = 211130341950. Its totient is φ = 211130341948.

The previous prime is 211130341879. The next prime is 211130341987. The reversal of 211130341949 is 949143031112.

It is an a-pointer prime, because the next prime (211130341987) can be obtained adding 211130341949 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168988410724 + 42141931225 = 411082^2 + 205285^2 .

It is a cyclic number.

It is not a de Polignac number, because 211130341949 - 2³⁶ = 142410865213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211130341249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105565170974 + 105565170975.

It is an arithmetic number, because the mean of its divisors is an integer number (105565170975).

Almost surely, 2^211130341949 is an apocalyptic number.

It is an amenable number.

211130341949 is a deficient number, since it is larger than the sum of its proper divisors (1).

211130341949 is an equidigital number, since it uses as much as digits as its factorization.

211130341949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 211130341949 in words is "two hundred eleven billion, one hundred thirty million, three hundred forty-one thousand, nine hundred forty-nine".