1323532019849 has 16 divisors (see below), whose sum is σ = 1509556849920. Its totient is φ = 1149573192960.

The previous prime is 1323532019707. The next prime is 1323532019879. The reversal of 1323532019849 is 9489102353231.

It is a cyclic number.

It is not a de Polignac number, because 1323532019849 - 2²⁴ = 1323515242633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323532019797 and 1323532019806.

It is not an unprimeable number, because it can be changed into a prime (1323532019879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167354 + ... + 1635564.

It is an arithmetic number, because the mean of its divisors is an integer number (94347303120).

Almost surely, 2^{1323532019849} is an apocalyptic number.

It is an amenable number.

1323532019849 is a deficient number, since it is larger than the sum of its proper divisors (186024830071).

1323532019849 is a wasteful number, since it uses less digits than its factorization.

1323532019849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472320.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 1323532019849 in words is "one trillion, three hundred twenty-three billion, five hundred thirty-two million, nineteen thousand, eight hundred forty-nine".