1366948266913 has 32 divisors (see below), whose sum is σ = 1493232998400. Its totient is φ = 1247032822464.

The previous prime is 1366948266907. The next prime is 1366948266917. The reversal of 1366948266913 is 3196628496631.

It is a cyclic number.

It is not a de Polignac number, because 1366948266913 - 2²¹ = 1366946169761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1366948266917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51381531 + ... + 51408127.

It is an arithmetic number, because the mean of its divisors is an integer number (46663531200).

Almost surely, 2^{1366948266913} is an apocalyptic number.

It is an amenable number.

1366948266913 is a deficient number, since it is larger than the sum of its proper divisors (126284731487).

1366948266913 is a wasteful number, since it uses less digits than its factorization.

1366948266913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27589.

The product of its digits is 60466176, while the sum is 64.

The spelling of 1366948266913 in words is "one trillion, three hundred sixty-six billion, nine hundred forty-eight million, two hundred sixty-six thousand, nine hundred thirteen".