2042648688889 has 16 divisors (see below), whose sum is σ = 2204137615680. Its totient is φ = 1886623799040.

The previous prime is 2042648688833. The next prime is 2042648688901. The reversal of 2042648688889 is 9888868462402.

It is a cyclic number.

It is not a de Polignac number, because 2042648688889 - 2¹³ = 2042648680697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042648688809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201394 + ... + 2031220.

It is an arithmetic number, because the mean of its divisors is an integer number (137758600980).

Almost surely, 2^{2042648688889} is an apocalyptic number.

It is an amenable number.

2042648688889 is a deficient number, since it is larger than the sum of its proper divisors (161488926791).

2042648688889 is a wasteful number, since it uses less digits than its factorization.

2042648688889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831320.

The product of its (nonzero) digits is 679477248, while the sum is 73.

The spelling of 2042648688889 in words is "two trillion, forty-two billion, six hundred forty-eight million, six hundred eighty-eight thousand, eight hundred eighty-nine".