2108789542 has 8 divisors (see below), whose sum is σ = 3164234976. Its totient is φ = 1054044552.

The previous prime is 2108789519. The next prime is 2108789563. The reversal of 2108789542 is 2459878012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2108789542³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2108789492 and 2108789501.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 167518 + ... + 179665.

It is an arithmetic number, because the mean of its divisors is an integer number (395529372).

Almost surely, 2^2108789542 is an apocalyptic number.

2108789542 is a deficient number, since it is larger than the sum of its proper divisors (1055445434).

2108789542 is a wasteful number, since it uses less digits than its factorization.

2108789542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350222.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 2108789542 is about 45921.5585754665. The cubic root of 2108789542 is about 1282.3632978763.

The spelling of 2108789542 in words is "two billion, one hundred eight million, seven hundred eighty-nine thousand, five hundred forty-two".