2128250436407 has 8 divisors (see below), whose sum is σ = 2202247856640. Its totient is φ = 2054293647840.

The previous prime is 2128250436379. The next prime is 2128250436427. The reversal of 2128250436407 is 7046340528212.

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 2128250436407 - 2¹⁸ = 2128250174263 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 (2128250436427) 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, 10051319 + ... + 10260872.

It is an arithmetic number, because the mean of its divisors is an integer number (275280982080).

Almost surely, 2^{2128250436407} is an apocalyptic number.

2128250436407 is a deficient number, since it is larger than the sum of its proper divisors (73997420233).

2128250436407 is a wasteful number, since it uses less digits than its factorization.

2128250436407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20315833.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 2128250436407 in words is "two trillion, one hundred twenty-eight billion, two hundred fifty million, four hundred thirty-six thousand, four hundred seven".