1849212629149 has 2 divisors, whose sum is σ = 1849212629150. Its totient is φ = 1849212629148.

The previous prime is 1849212629129. The next prime is 1849212629161. The reversal of 1849212629149 is 9419262129481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1846288523524 + 2924105625 = 1358782^2 + 54075^2 .

It is an emirp because it is prime and its reverse (9419262129481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1849212629149 - 2¹⁵ = 1849212596381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1849212629093 and 1849212629102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1849212629129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924606314574 + 924606314575.

It is an arithmetic number, because the mean of its divisors is an integer number (924606314575).

Almost surely, 2^{1849212629149} is an apocalyptic number.

It is an amenable number.

1849212629149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1849212629149 is an equidigital number, since it uses as much as digits as its factorization.

1849212629149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 58.

The spelling of 1849212629149 in words is "one trillion, eight hundred forty-nine billion, two hundred twelve million, six hundred twenty-nine thousand, one hundred forty-nine".