2381049617 has 4 divisors (see below), whose sum is σ = 2382520116. Its totient is φ = 2379579120.

The previous prime is 2381049577. The next prime is 2381049637. The reversal of 2381049617 is 7169401832.

It is a Cunningham number, because it is equal to 48796²+1.

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 1829786176 + 551263441 = 42776^2 + 23479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2381049617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2381049637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732818 + ... + 736059.

It is an arithmetic number, because the mean of its divisors is an integer number (595630029).

Almost surely, 2^2381049617 is an apocalyptic number.

It is an amenable number.

2381049617 is a deficient number, since it is larger than the sum of its proper divisors (1470499).

2381049617 is a wasteful number, since it uses less digits than its factorization.

2381049617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470498.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 2381049617 is about 48796.0000102467. Note that the first 4 decimals coincide. The cubic root of 2381049617 is about 1335.3326925000.

The spelling of 2381049617 in words is "two billion, three hundred eighty-one million, forty-nine thousand, six hundred seventeen".