2196909131340 has 96 divisors (see below), whose sum is σ = 7669210074624. Its totient is φ = 456500597760.

The previous prime is 2196909131327. The next prime is 2196909131371. The reversal of 2196909131340 is 431319096912.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2196909131340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237756109 + ... + 237765348.

It is an arithmetic number, because the mean of its divisors is an integer number (79887604944).

Almost surely, 2^{2196909131340} is an apocalyptic number.

2196909131340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2196909131340 is an abundant number, since it is smaller than the sum of its proper divisors (5472300943284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2196909131340 is a wasteful number, since it uses less digits than its factorization.

2196909131340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475521487 (or 475521485 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 48.

The spelling of 2196909131340 in words is "two trillion, one hundred ninety-six billion, nine hundred nine million, one hundred thirty-one thousand, three hundred forty".