42129249119 has 8 divisors (see below), whose sum is σ = 44368368000. Its totient is φ = 39892309272.

The previous prime is 42129249077. The next prime is 42129249131. The reversal of 42129249119 is 91194292124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42129249119 is a prime.

It is a super-2 number, since 2×42129249119² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42129249119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42129249319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504989 + ... + 582470.

It is an arithmetic number, because the mean of its divisors is an integer number (5546046000).

Almost surely, 2^42129249119 is an apocalyptic number.

42129249119 is a deficient number, since it is larger than the sum of its proper divisors (2239118881).

42129249119 is a wasteful number, since it uses less digits than its factorization.

42129249119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089517.

The product of its digits is 93312, while the sum is 44.

The spelling of 42129249119 in words is "forty-two billion, one hundred twenty-nine million, two hundred forty-nine thousand, one hundred nineteen".