2389843542 has 64 divisors (see below), whose sum is σ = 5103460800. Its totient is φ = 744629760.

The previous prime is 2389843531. The next prime is 2389843549. The reversal of 2389843542 is 2453489832.

2389843542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2389843542² = 11422704310478211528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2389843491 and 2389843500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389843549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1473492 + ... + 1475112.

It is an arithmetic number, because the mean of its divisors is an integer number (79741575).

Almost surely, 2^2389843542 is an apocalyptic number.

2389843542 is an abundant number, since it is smaller than the sum of its proper divisors (2713617258).

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

2389843542 is a wasteful number, since it uses less digits than its factorization.

2389843542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921.

The product of its digits is 1658880, while the sum is 48.

The square root of 2389843542 is about 48886.0260401682. The cubic root of 2389843542 is about 1336.9745998452.

The spelling of 2389843542 in words is "two billion, three hundred eighty-nine million, eight hundred forty-three thousand, five hundred forty-two".