2028986542 has 16 divisors (see below), whose sum is σ = 3322782000. Its totient is φ = 921538240.

The previous prime is 2028986513. The next prime is 2028986599. The reversal of 2028986542 is 2456898202.

It is a junction number, because it is equal to n+sod(n) for n = 2028986492 and 2028986501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7417 + ... + 64132.

It is an arithmetic number, because the mean of its divisors is an integer number (207673875).

Almost surely, 2^2028986542 is an apocalyptic number.

2028986542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2028986542 is a deficient number, since it is larger than the sum of its proper divisors (1293795458).

2028986542 is a wasteful number, since it uses less digits than its factorization.

2028986542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72851.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 2028986542 is about 45044.2731321086. The cubic root of 2028986542 is about 1265.9786709626.

The spelling of 2028986542 in words is "two billion, twenty-eight million, nine hundred eighty-six thousand, five hundred forty-two".