108654072469909 has 2 divisors, whose sum is σ = 108654072469910. Its totient is φ = 108654072469908.

The previous prime is 108654072469903. The next prime is 108654072469913. The reversal of 108654072469909 is 909964270456801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72764687369284 + 35889385100625 = 8530222^2 + 5990775^2 .

It is a cyclic number.

It is not a de Polignac number, because 108654072469909 - 2⁷ = 108654072469781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108654072469903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54327036234954 + 54327036234955.

It is an arithmetic number, because the mean of its divisors is an integer number (54327036234955).

Almost surely, 2^{108654072469909} is an apocalyptic number.

It is an amenable number.

108654072469909 is a deficient number, since it is larger than the sum of its proper divisors (1).

108654072469909 is an equidigital number, since it uses as much as digits as its factorization.

108654072469909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235146240, while the sum is 70.

The spelling of 108654072469909 in words is "one hundred eight trillion, six hundred fifty-four billion, seventy-two million, four hundred sixty-nine thousand, nine hundred nine".