1849212629749 has 2 divisors, whose sum is σ = 1849212629750. Its totient is φ = 1849212629748.

The previous prime is 1849212629669. The next prime is 1849212629773. The reversal of 1849212629749 is 9479262129481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1366986549124 + 482226080625 = 1169182^2 + 694425^2 .

It is an emirp because it is prime and its reverse (9479262129481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1849212629749 - 2¹⁷ = 1849212498677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1849212629149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924606314874 + 924606314875.

It is an arithmetic number, because the mean of its divisors is an integer number (924606314875).

Almost surely, 2^{1849212629749} is an apocalyptic number.

It is an amenable number.

1849212629749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1849212629749 is an equidigital number, since it uses as much as digits as its factorization.

1849212629749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 64.

The spelling of 1849212629749 in words is "one trillion, eight hundred forty-nine billion, two hundred twelve million, six hundred twenty-nine thousand, seven hundred forty-nine".