11419783386489 has 9 divisors (see below), whose sum is σ = 16495257313093. Its totient is φ = 7613182165692.

The previous prime is 11419783386467. The next prime is 11419783386523. The reversal of 11419783386489 is 98468338791411.

The square root of 11419783386489 is 3379317.

It is a perfect power (a square), and thus also a powerful number.

11419783386489 is a `hidden beast` number, since 1 + 1 + 4 + 1 + 97 + 83 + 386 + 4 + 89 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 11419783386489 - 2¹¹ = 11419783384441 is a prime.

It is a super-2 number, since 2×11419783386489² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11419783386889) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9574732 + ... + 10701170.

Almost surely, 2^{11419783386489} is an apocalyptic number.

11419783386489 is the 3379317-th square number.

11419783386489 is the 1689659-th centered octagonal number.

It is an amenable number.

11419783386489 is a deficient number, since it is larger than the sum of its proper divisors (5075473926604).

11419783386489 is an frugal number, since it uses more digits than its factorization.

11419783386489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252884 (or 1126442 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 72.

The spelling of 11419783386489 in words is "eleven trillion, four hundred nineteen billion, seven hundred eighty-three million, three hundred eighty-six thousand, four hundred eighty-nine".