2198091328307 has 4 divisors (see below), whose sum is σ = 2512104375216. Its totient is φ = 1884078281400.

The previous prime is 2198091328291. The next prime is 2198091328369. The reversal of 2198091328307 is 7038231908912.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2198091328307 - 2⁴ = 2198091328291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2198091328207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157006523444 + ... + 157006523457.

It is an arithmetic number, because the mean of its divisors is an integer number (628026093804).

Almost surely, 2^{2198091328307} is an apocalyptic number.

2198091328307 is a deficient number, since it is larger than the sum of its proper divisors (314013046909).

2198091328307 is an equidigital number, since it uses as much as digits as its factorization.

2198091328307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314013046908.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 2198091328307 in words is "two trillion, one hundred ninety-eight billion, ninety-one million, three hundred twenty-eight thousand, three hundred seven".