1849445723136 has 704 divisors, whose sum is σ = 5704821964800. Its totient is φ = 527587737600.

The previous prime is 1849445723107. The next prime is 1849445723149. The reversal of 1849445723136 is 6313275449481.

It is a tau number, because it is divible by the number of its divisors (704).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7738266505 + ... + 7738266743.

Almost surely, 2^{1849445723136} is an apocalyptic number.

1849445723136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1849445723136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2852410982400).

1849445723136 is an abundant number, since it is smaller than the sum of its proper divisors (3855376241664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1849445723136 is a wasteful number, since it uses less digits than its factorization.

1849445723136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 458 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The spelling of 1849445723136 in words is "one trillion, eight hundred forty-nine billion, four hundred forty-five million, seven hundred twenty-three thousand, one hundred thirty-six".