2381336042 has 4 divisors (see below), whose sum is σ = 3572004066. Its totient is φ = 1190668020.

The previous prime is 2381336033. The next prime is 2381336053. The reversal of 2381336042 is 2406331832.

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., 2378415361 + 2920681 = 48769^2 + 1709^2 .

It is a super-2 number, since 2×2381336042² = 11341522689856451528, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 595334009 + ... + 595334012.

Almost surely, 2^2381336042 is an apocalyptic number.

2381336042 is a deficient number, since it is larger than the sum of its proper divisors (1190668024).

2381336042 is a wasteful number, since it uses less digits than its factorization.

2381336042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190668023.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2381336042 is about 48798.9348449328. The cubic root of 2381336042 is about 1335.3862343398.

Adding to 2381336042 its reverse (2406331832), we get a palindrome (4787667874).

The spelling of 2381336042 in words is "two billion, three hundred eighty-one million, three hundred thirty-six thousand, forty-two".