2142231033209 has 16 divisors (see below), whose sum is σ = 2155521152400. Its totient is φ = 2128981155840.

The previous prime is 2142231033203. The next prime is 2142231033211. The reversal of 2142231033209 is 9023301322412.

It can be written as a sum of positive squares in 8 ways, for example, as 14343655225 + 2127887377984 = 119765^2 + 1458728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142231033209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142231033203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492577967 + ... + 492582315.

It is an arithmetic number, because the mean of its divisors is an integer number (134720072025).

Almost surely, 2^{2142231033209} is an apocalyptic number.

It is an amenable number.

2142231033209 is a deficient number, since it is larger than the sum of its proper divisors (13290119191).

2142231033209 is a wasteful number, since it uses less digits than its factorization.

2142231033209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8300.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 2142231033209 in words is "two trillion, one hundred forty-two billion, two hundred thirty-one million, thirty-three thousand, two hundred nine".