1013678460845 has 4 divisors (see below), whose sum is σ = 1216414153020. Its totient is φ = 810942768672.

The previous prime is 1013678460829. The next prime is 1013678460871. The reversal of 1013678460845 is 5480648763101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112018065481 + 901660395364 = 334691^2 + 949558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013678460845 - 2⁴ = 1013678460829 is a prime.

It is a super-2 number, since 2×1013678460845² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 101367846080 + ... + 101367846089.

It is an arithmetic number, because the mean of its divisors is an integer number (304103538255).

Almost surely, 2^{1013678460845} is an apocalyptic number.

It is an amenable number.

1013678460845 is a deficient number, since it is larger than the sum of its proper divisors (202735692175).

1013678460845 is an equidigital number, since it uses as much as digits as its factorization.

1013678460845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202735692174.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 1013678460845 in words is "one trillion, thirteen billion, six hundred seventy-eight million, four hundred sixty thousand, eight hundred forty-five".