42819819908 has 24 divisors (see below), whose sum is σ = 79764904800. Its totient is φ = 20055169728.

The previous prime is 42819819893. The next prime is 42819819919. The reversal of 42819819908 is 80991891824.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

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, 3158510 + ... + 3172037.

It is an arithmetic number, because the mean of its divisors is an integer number (3323537700).

Almost surely, 2^42819819908 is an apocalyptic number.

It is an amenable number.

42819819908 is a deficient number, since it is larger than the sum of its proper divisors (36945084892).

42819819908 is a wasteful number, since it uses less digits than its factorization.

42819819908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330659 (or 6330657 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 59.

The spelling of 42819819908 in words is "forty-two billion, eight hundred nineteen million, eight hundred nineteen thousand, nine hundred eight".