1849406885041 has 15 divisors (see below), whose sum is σ = 1897988128855. Its totient is φ = 1802069116480.

The previous prime is 1849406884951. The next prime is 1849406885089. The reversal of 1849406885041 is 1405886049481.

The square root of 1849406885041 is 1359929.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 1834727139441 + 14679745600 = 1354521^2 + 121160^2 .

It is not a de Polignac number, because 1849406885041 - 2⁹ = 1849406884529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1849406885941) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2286040245 + ... + 2286041053.

Almost surely, 2^{1849406885041} is an apocalyptic number.

1849406885041 is the 1359929-th square number.

1849406885041 is the 679965-th centered octagonal number.

It is an amenable number.

1849406885041 is a deficient number, since it is larger than the sum of its proper divisors (48581243814).

1849406885041 is an frugal number, since it uses more digits than its factorization.

1849406885041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 58.

The spelling of 1849406885041 in words is "one trillion, eight hundred forty-nine billion, four hundred six million, eight hundred eighty-five thousand, forty-one".