2381091242 has 4 divisors (see below), whose sum is σ = 3571636866. Its totient is φ = 1190545620.

The previous prime is 2381091233. The next prime is 2381091257. The reversal of 2381091242 is 2421901832.

2381091242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 1543625521 + 837465721 = 39289^2 + 28939^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2381091199 and 2381091208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595272809 + ... + 595272812.

Almost surely, 2^2381091242 is an apocalyptic number.

2381091242 is a deficient number, since it is larger than the sum of its proper divisors (1190545624).

2381091242 is a wasteful number, since it uses less digits than its factorization.

2381091242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190545623.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2381091242 is about 48796.4265289990. The cubic root of 2381091242 is about 1335.3404737882.

The spelling of 2381091242 in words is "two billion, three hundred eighty-one million, ninety-one thousand, two hundred forty-two".