1304402013243 has 48 divisors (see below), whose sum is σ = 2229113515200. Its totient is φ = 719165018880.

The previous prime is 1304402013199. The next prime is 1304402013289. The reversal of 1304402013243 is 3423102044031.

1304402013243 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 402 + 0 + 13 + 243 = 666.

It is not a de Polignac number, because 1304402013243 - 2⁹ = 1304402012731 is a prime.

It is a super-2 number, since 2×1304402013243² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1304402011243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2360973 + ... + 2860593.

It is an arithmetic number, because the mean of its divisors is an integer number (46439864900).

Almost surely, 2^{1304402013243} is an apocalyptic number.

1304402013243 is a deficient number, since it is larger than the sum of its proper divisors (924711501957).

1304402013243 is a wasteful number, since it uses less digits than its factorization.

1304402013243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501092 (or 501089 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1304402013243 its reverse (3423102044031), we get a palindrome (4727504057274).

The spelling of 1304402013243 in words is "one trillion, three hundred four billion, four hundred two million, thirteen thousand, two hundred forty-three".