2381090147 has 4 divisors (see below), whose sum is σ = 2383138680. Its totient is φ = 2379041616.

The previous prime is 2381090093. The next prime is 2381090149. The reversal of 2381090147 is 7410901832.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2381090147 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2381090149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022522 + ... + 1024847.

It is an arithmetic number, because the mean of its divisors is an integer number (595784670).

Almost surely, 2^2381090147 is an apocalyptic number.

2381090147 is a deficient number, since it is larger than the sum of its proper divisors (2048533).

2381090147 is a wasteful number, since it uses less digits than its factorization.

2381090147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048532.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2381090147 is about 48796.4153089138. The cubic root of 2381090147 is about 1335.3402690924.

Adding to 2381090147 its reverse (7410901832), we get a palindrome (9791991979).

The spelling of 2381090147 in words is "two billion, three hundred eighty-one million, ninety thousand, one hundred forty-seven".