128632739099 has 2 divisors, whose sum is σ = 128632739100. Its totient is φ = 128632739098.

The previous prime is 128632739069. The next prime is 128632739149. The reversal of 128632739099 is 990937236821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128632739099 - 2³⁶ = 59913262363 is a prime.

It is a super-2 number, since 2×128632739099² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128632739069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64316369549 + 64316369550.

It is an arithmetic number, because the mean of its divisors is an integer number (64316369550).

Almost surely, 2^128632739099 is an apocalyptic number.

128632739099 is a deficient number, since it is larger than the sum of its proper divisors (1).

128632739099 is an equidigital number, since it uses as much as digits as its factorization.

128632739099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 128632739099 in words is "one hundred twenty-eight billion, six hundred thirty-two million, seven hundred thirty-nine thousand, ninety-nine".