386434866089 has 2 divisors, whose sum is σ = 386434866090. Its totient is φ = 386434866088.

The previous prime is 386434865981. The next prime is 386434866101. The reversal of 386434866089 is 980668434683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275084515225 + 111350350864 = 524485^2 + 333692^2 .

It is a cyclic number.

It is not a de Polignac number, because 386434866089 - 2¹⁶ = 386434800553 is a prime.

It is not a weakly prime, because it can be changed into another prime (386434866889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193217433044 + 193217433045.

It is an arithmetic number, because the mean of its divisors is an integer number (193217433045).

Almost surely, 2^386434866089 is an apocalyptic number.

It is an amenable number.

386434866089 is a deficient number, since it is larger than the sum of its proper divisors (1).

386434866089 is an equidigital number, since it uses as much as digits as its factorization.

386434866089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 143327232, while the sum is 65.

The spelling of 386434866089 in words is "three hundred eighty-six billion, four hundred thirty-four million, eight hundred sixty-six thousand, eighty-nine".