213412023042149 has 2 divisors, whose sum is σ = 213412023042150. Its totient is φ = 213412023042148.

The previous prime is 213412023042107. The next prime is 213412023042217. The reversal of 213412023042149 is 941240320214312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172704751991524 + 40707271050625 = 13141718^2 + 6380225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213412023042149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213412023047149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106706011521074 + 106706011521075.

It is an arithmetic number, because the mean of its divisors is an integer number (106706011521075).

Almost surely, 2^{213412023042149} is an apocalyptic number.

It is an amenable number.

213412023042149 is a deficient number, since it is larger than the sum of its proper divisors (1).

213412023042149 is an equidigital number, since it uses as much as digits as its factorization.

213412023042149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 213412023042149 in words is "two hundred thirteen trillion, four hundred twelve billion, twenty-three million, forty-two thousand, one hundred forty-nine".