2198950553 has 4 divisors (see below), whose sum is σ = 2203914768. Its totient is φ = 2193986340.

The previous prime is 2198950529. The next prime is 2198950571. The reversal of 2198950553 is 3550598912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2198950553 - 2²⁰ = 2197901977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2198950498 and 2198950507.

It is not an unprimeable number, because it can be changed into a prime (2198950573) 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, 2481443 + ... + 2482328.

It is an arithmetic number, because the mean of its divisors is an integer number (550978692).

Almost surely, 2^2198950553 is an apocalyptic number.

It is an amenable number.

2198950553 is a deficient number, since it is larger than the sum of its proper divisors (4964215).

2198950553 is an equidigital number, since it uses as much as digits as its factorization.

2198950553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964214.

The product of its (nonzero) digits is 486000, while the sum is 47.

The square root of 2198950553 is about 46892.9691211806. The cubic root of 2198950553 is about 1300.3846106576.

The spelling of 2198950553 in words is "two billion, one hundred ninety-eight million, nine hundred fifty thousand, five hundred fifty-three".