654234234389 has 2 divisors, whose sum is σ = 654234234390. Its totient is φ = 654234234388.

The previous prime is 654234234323. The next prime is 654234234439. The reversal of 654234234389 is 983432432456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 653442656164 + 791578225 = 808358^2 + 28135^2 .

It is a cyclic number.

It is not a de Polignac number, because 654234234389 - 2¹⁶ = 654234168853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 654234234389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654234234289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327117117194 + 327117117195.

It is an arithmetic number, because the mean of its divisors is an integer number (327117117195).

Almost surely, 2^654234234389 is an apocalyptic number.

It is an amenable number.

654234234389 is a deficient number, since it is larger than the sum of its proper divisors (1).

654234234389 is an equidigital number, since it uses as much as digits as its factorization.

654234234389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 53.

The spelling of 654234234389 in words is "six hundred fifty-four billion, two hundred thirty-four million, two hundred thirty-four thousand, three hundred eighty-nine".