2193048149 has 4 divisors (see below), whose sum is σ = 2228999820. Its totient is φ = 2157096480.

The previous prime is 2193048131. The next prime is 2193048181. The reversal of 2193048149 is 9418403912.

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 266277124 + 1926771025 = 16318^2 + 43895^2 .

It is a cyclic number.

It is not a de Polignac number, because 2193048149 - 2¹² = 2193044053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193048749) 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, 17975744 + ... + 17975865.

It is an arithmetic number, because the mean of its divisors is an integer number (557249955).

Almost surely, 2^2193048149 is an apocalyptic number.

It is an amenable number.

2193048149 is a deficient number, since it is larger than the sum of its proper divisors (35951671).

2193048149 is an equidigital number, since it uses as much as digits as its factorization.

2193048149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35951670.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 2193048149 is about 46829.9919816350. The cubic root of 2193048149 is about 1299.2200743919.

The spelling of 2193048149 in words is "two billion, one hundred ninety-three million, forty-eight thousand, one hundred forty-nine".