2381542338 has 16 divisors (see below), whose sum is σ = 5443525440. Its totient is φ = 680440656.

The previous prime is 2381542313. The next prime is 2381542363. The reversal of 2381542338 is 8332451832.

It is an interprime number because it is at equal distance from previous prime (2381542313) and next prime (2381542363).

It is a junction number, because it is equal to n+sod(n) for n = 2381542296 and 2381542305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28351653 + ... + 28351736.

It is an arithmetic number, because the mean of its divisors is an integer number (340220340).

Almost surely, 2^2381542338 is an apocalyptic number.

2381542338 is an abundant number, since it is smaller than the sum of its proper divisors (3061983102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2381542338 is a wasteful number, since it uses less digits than its factorization.

2381542338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56703401.

The product of its digits is 138240, while the sum is 39.

The square root of 2381542338 is about 48801.0485338174. The cubic root of 2381542338 is about 1335.4247948900.

The spelling of 2381542338 in words is "two billion, three hundred eighty-one million, five hundred forty-two thousand, three hundred thirty-eight".