42938403189 has 64 divisors (see below), whose sum is σ = 64662528000. Its totient is φ = 25123737600.

The previous prime is 42938403181. The next prime is 42938403199. The reversal of 42938403189 is 98130483924.

It is not a de Polignac number, because 42938403189 - 2³ = 42938403181 is a prime.

It is a super-2 number, since 2×42938403189² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42938403181) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30691512 + ... + 30692910.

It is an arithmetic number, because the mean of its divisors is an integer number (1010352000).

Almost surely, 2^42938403189 is an apocalyptic number.

It is an amenable number.

42938403189 is a deficient number, since it is larger than the sum of its proper divisors (21724124811).

42938403189 is a wasteful number, since it uses less digits than its factorization.

42938403189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 42938403189 in words is "forty-two billion, nine hundred thirty-eight million, four hundred three thousand, one hundred eighty-nine".