1304491378823 has 2 divisors, whose sum is σ = 1304491378824. Its totient is φ = 1304491378822.

The previous prime is 1304491378811. The next prime is 1304491378849. The reversal of 1304491378823 is 3288731944031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1304491378823 - 2¹⁶ = 1304491313287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304491372823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652245689411 + 652245689412.

It is an arithmetic number, because the mean of its divisors is an integer number (652245689412).

Almost surely, 2^{1304491378823} is an apocalyptic number.

1304491378823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304491378823 is an equidigital number, since it uses as much as digits as its factorization.

1304491378823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 1304491378823 in words is "one trillion, three hundred four billion, four hundred ninety-one million, three hundred seventy-eight thousand, eight hundred twenty-three".