2195028823901 has 8 divisors (see below), whose sum is σ = 2217915477624. Its totient is φ = 2172147425280.

The previous prime is 2195028823861. The next prime is 2195028823943. The reversal of 2195028823901 is 1093288205912.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 109676218276 + 2085352605625 = 331174^2 + 1444075^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2195028823901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2195028823901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195028823961) 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, 471230 + ... + 2147583.

It is an arithmetic number, because the mean of its divisors is an integer number (277239434703).

Almost surely, 2^{2195028823901} is an apocalyptic number.

It is an amenable number.

2195028823901 is a deficient number, since it is larger than the sum of its proper divisors (22886653723).

2195028823901 is an equidigital number, since it uses as much as digits as its factorization.

2195028823901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627551.

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 2195028823901 in words is "two trillion, one hundred ninety-five billion, twenty-eight million, eight hundred twenty-three thousand, nine hundred one".