1849212629773 has 2 divisors, whose sum is σ = 1849212629774. Its totient is φ = 1849212629772.

The previous prime is 1849212629749. The next prime is 1849212629813. The reversal of 1849212629773 is 3779262129481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1582870966884 + 266341662889 = 1258122^2 + 516083^2 .

It is a cyclic number.

It is not a de Polignac number, because 1849212629773 - 2⁹ = 1849212629261 is a prime.

It is a super-2 number, since 2×1849212629773² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1849212626773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924606314886 + 924606314887.

It is an arithmetic number, because the mean of its divisors is an integer number (924606314887).

Almost surely, 2^{1849212629773} is an apocalyptic number.

It is an amenable number.

1849212629773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1849212629773 is an equidigital number, since it uses as much as digits as its factorization.

1849212629773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 61.

The spelling of 1849212629773 in words is "one trillion, eight hundred forty-nine billion, two hundred twelve million, six hundred twenty-nine thousand, seven hundred seventy-three".