1366490023589 has 16 divisors (see below), whose sum is σ = 1427890464000. Its totient is φ = 1306063846080.

The previous prime is 1366490023567. The next prime is 1366490023607. The reversal of 1366490023589 is 9853200946631.

It is a happy number.

It is not a de Polignac number, because 1366490023589 - 2⁸ = 1366490023333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366490023559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3250532 + ... + 3646770.

It is an arithmetic number, because the mean of its divisors is an integer number (89243154000).

Almost surely, 2^{1366490023589} is an apocalyptic number.

It is an amenable number.

1366490023589 is a deficient number, since it is larger than the sum of its proper divisors (61400440411).

1366490023589 is a wasteful number, since it uses less digits than its factorization.

1366490023589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397468.

The product of its (nonzero) digits is 8398080, while the sum is 56.

The spelling of 1366490023589 in words is "one trillion, three hundred sixty-six billion, four hundred ninety million, twenty-three thousand, five hundred eighty-nine".