2198040941 has 4 divisors (see below), whose sum is σ = 2200407900. Its totient is φ = 2195673984.

The previous prime is 2198040913. The next prime is 2198040967. The reversal of 2198040941 is 1490408912.

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

It can be written as a sum of positive squares in 2 ways, for example, as 204061225 + 1993979716 = 14285^2 + 44654^2 .

It is a cyclic number.

It is not a de Polignac number, because 2198040941 - 2¹⁰ = 2198039917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2198040895 and 2198040904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198040841) 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, 1182086 + ... + 1183943.

It is an arithmetic number, because the mean of its divisors is an integer number (550101975).

Almost surely, 2^2198040941 is an apocalyptic number.

It is an amenable number.

2198040941 is a deficient number, since it is larger than the sum of its proper divisors (2366959).

2198040941 is an equidigital number, since it uses as much as digits as its factorization.

2198040941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366958.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 2198040941 is about 46883.2693079312. The cubic root of 2198040941 is about 1300.2052813893.

The spelling of 2198040941 in words is "two billion, one hundred ninety-eight million, forty thousand, nine hundred forty-one".