1386633221999 has 2 divisors, whose sum is σ = 1386633222000. Its totient is φ = 1386633221998.

The previous prime is 1386633221983. The next prime is 1386633222031. The reversal of 1386633221999 is 9991223366831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1386633221999 - 2⁴ = 1386633221983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1386633221959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693316610999 + 693316611000.

It is an arithmetic number, because the mean of its divisors is an integer number (693316611000).

Almost surely, 2^{1386633221999} is an apocalyptic number.

1386633221999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386633221999 is an equidigital number, since it uses as much as digits as its factorization.

1386633221999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22674816, while the sum is 62.

The spelling of 1386633221999 in words is "one trillion, three hundred eighty-six billion, six hundred thirty-three million, two hundred twenty-one thousand, nine hundred ninety-nine".