42698215923 has 16 divisors (see below), whose sum is σ = 62181634176. Its totient is φ = 25846399040.

The previous prime is 42698215909. The next prime is 42698215939. The reversal of 42698215923 is 32951289624.

It is not a de Polignac number, because 42698215923 - 2⁴ = 42698215907 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42698215523) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 754986 + ... + 809567.

It is an arithmetic number, because the mean of its divisors is an integer number (3886352136).

Almost surely, 2^42698215923 is an apocalyptic number.

42698215923 is a deficient number, since it is larger than the sum of its proper divisors (19483418253).

42698215923 is a wasteful number, since it uses less digits than its factorization.

42698215923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565394.

The product of its digits is 1866240, while the sum is 51.

The spelling of 42698215923 in words is "forty-two billion, six hundred ninety-eight million, two hundred fifteen thousand, nine hundred twenty-three".