2128250436406 has 8 divisors (see below), whose sum is σ = 3192770432880. Its totient is φ = 1063993625448.

The previous prime is 2128250436379. The next prime is 2128250436427. The reversal of 2128250436406 is 6046340528212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65776161 + ... + 65808508.

It is an arithmetic number, because the mean of its divisors is an integer number (399096304110).

Almost surely, 2^{2128250436406} is an apocalyptic number.

2128250436406 is a deficient number, since it is larger than the sum of its proper divisors (1064519996474).

2128250436406 is a wasteful number, since it uses less digits than its factorization.

2128250436406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131592758.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 2128250436406 in words is "two trillion, one hundred twenty-eight billion, two hundred fifty million, four hundred thirty-six thousand, four hundred six".