2128311963079 has 8 divisors (see below), whose sum is σ = 2173688134848. Its totient is φ = 2082939663840.

The previous prime is 2128311963077. The next prime is 2128311963101. The reversal of 2128311963079 is 9703691138212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2128311963079 - 2¹ = 2128311963077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128311963077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156549 + ... + 2069089.

It is an arithmetic number, because the mean of its divisors is an integer number (271711016856).

Almost surely, 2^{2128311963079} is an apocalyptic number.

2128311963079 is a deficient number, since it is larger than the sum of its proper divisors (45376171769).

2128311963079 is a wasteful number, since it uses less digits than its factorization.

2128311963079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936265.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 2128311963079 in words is "two trillion, one hundred twenty-eight billion, three hundred eleven million, nine hundred sixty-three thousand, seventy-nine".