2128929391307 has 2 divisors, whose sum is σ = 2128929391308. Its totient is φ = 2128929391306.

The previous prime is 2128929391301. The next prime is 2128929391313. The reversal of 2128929391307 is 7031939298212.

It is a balanced prime because it is at equal distance from previous prime (2128929391301) and next prime (2128929391313).

It is a cyclic number.

It is not a de Polignac number, because 2128929391307 - 2²⁰ = 2128928342731 is a prime.

It is not a weakly prime, because it can be changed into another prime (2128929391301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064464695653 + 1064464695654.

It is an arithmetic number, because the mean of its divisors is an integer number (1064464695654).

Almost surely, 2^{2128929391307} is an apocalyptic number.

2128929391307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2128929391307 is an equidigital number, since it uses as much as digits as its factorization.

2128929391307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 2128929391307 in words is "two trillion, one hundred twenty-eight billion, nine hundred twenty-nine million, three hundred ninety-one thousand, three hundred seven".