42003740191869 has 48 divisors (see below), whose sum is σ = 62542352351232. Its totient is φ = 27151060283424.

The previous prime is 42003740191849. The next prime is 42003740191901. The reversal of 42003740191869 is 96819104730024.

42003740191869 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 374 + 0 + 191 + 86 + 9 = 666.

It is not a de Polignac number, because 42003740191869 - 2²⁹ = 42003203320957 is a prime.

It is a super-2 number, since 2×42003740191869² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003740191849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36119052 + ... + 37263834.

It is an arithmetic number, because the mean of its divisors is an integer number (1302965673984).

Almost surely, 2^{42003740191869} is an apocalyptic number.

It is an amenable number.

42003740191869 is a deficient number, since it is larger than the sum of its proper divisors (20538612159363).

42003740191869 is a wasteful number, since it uses less digits than its factorization.

42003740191869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145646 (or 1145643 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 42003740191869 in words is "forty-two trillion, three billion, seven hundred forty million, one hundred ninety-one thousand, eight hundred sixty-nine".