386622667789 has 2 divisors, whose sum is σ = 386622667790. Its totient is φ = 386622667788.

The previous prime is 386622667751. The next prime is 386622667831. The reversal of 386622667789 is 987766226683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382870125225 + 3752542564 = 618765^2 + 61258^2 .

It is a cyclic number.

It is not a de Polignac number, because 386622667789 - 2⁷ = 386622667661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386622667709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193311333894 + 193311333895.

It is an arithmetic number, because the mean of its divisors is an integer number (193311333895).

Almost surely, 2^386622667789 is an apocalyptic number.

It is an amenable number.

386622667789 is a deficient number, since it is larger than the sum of its proper divisors (1).

386622667789 is an equidigital number, since it uses as much as digits as its factorization.

386622667789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 438939648, while the sum is 70.

The spelling of 386622667789 in words is "three hundred eighty-six billion, six hundred twenty-two million, six hundred sixty-seven thousand, seven hundred eighty-nine".