128733626146919 has 2 divisors, whose sum is σ = 128733626146920. Its totient is φ = 128733626146918.

The previous prime is 128733626146837. The next prime is 128733626147101. The reversal of 128733626146919 is 919641626337821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128733626146919 - 2⁸ = 128733626146663 is a prime.

It is a super-2 number, since 2×128733626146919² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128733626145919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64366813073459 + 64366813073460.

It is an arithmetic number, because the mean of its divisors is an integer number (64366813073460).

Almost surely, 2^{128733626146919} is an apocalyptic number.

128733626146919 is a deficient number, since it is larger than the sum of its proper divisors (1).

128733626146919 is an equidigital number, since it uses as much as digits as its factorization.

128733626146919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141087744, while the sum is 68.

The spelling of 128733626146919 in words is "one hundred twenty-eight trillion, seven hundred thirty-three billion, six hundred twenty-six million, one hundred forty-six thousand, nine hundred nineteen".