42384912541189 has 4 divisors (see below), whose sum is σ = 42385070646124. Its totient is φ = 42384754436256.

The previous prime is 42384912541187. The next prime is 42384912541201. The reversal of 42384912541189 is 98114521948324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25155290405025 + 17229622136164 = 5015505^2 + 4150858^2 .

It is a cyclic number.

It is not a de Polignac number, because 42384912541189 - 2¹ = 42384912541187 is a prime.

It is a super-2 number, since 2×42384912541189² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42384912541187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78649662 + ... + 79186735.

It is an arithmetic number, because the mean of its divisors is an integer number (10596267661531).

Almost surely, 2^{42384912541189} is an apocalyptic number.

It is an amenable number.

42384912541189 is a deficient number, since it is larger than the sum of its proper divisors (158104935).

42384912541189 is a wasteful number, since it uses less digits than its factorization.

42384912541189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158104934.

The product of its digits is 19906560, while the sum is 61.

The spelling of 42384912541189 in words is "forty-two trillion, three hundred eighty-four billion, nine hundred twelve million, five hundred forty-one thousand, one hundred eighty-nine".