1304540770247 has 64 divisors (see below), whose sum is σ = 1606849671168. Its totient is φ = 1043041536000.

The previous prime is 1304540770243. The next prime is 1304540770249. The reversal of 1304540770247 is 7420770454031.

It is a cyclic number.

It is not a de Polignac number, because 1304540770247 - 2² = 1304540770243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304540770198 and 1304540770207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304540770243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134193347 + ... + 134203067.

It is an arithmetic number, because the mean of its divisors is an integer number (25107026112).

Almost surely, 2^{1304540770247} is an apocalyptic number.

1304540770247 is a deficient number, since it is larger than the sum of its proper divisors (302308900921).

1304540770247 is a wasteful number, since it uses less digits than its factorization.

1304540770247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10320.

The product of its (nonzero) digits is 658560, while the sum is 44.

The spelling of 1304540770247 in words is "one trillion, three hundred four billion, five hundred forty million, seven hundred seventy thousand, two hundred forty-seven".