49970129042 has 8 divisors (see below), whose sum is σ = 77539855500. Its totient is φ = 24123510544.

The previous prime is 49970128997. The next prime is 49970129047. The reversal of 49970129042 is 24092107994.

It can be written as a sum of positive squares in 2 ways, for example, as 45067468681 + 4902660361 = 212291^2 + 70019^2 .

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

It is not an unprimeable number, because it can be changed into a prime (49970129047) 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 3 ways as a sum of consecutive naturals, for example, 430776917 + ... + 430777032.

Almost surely, 2^49970129042 is an apocalyptic number.

49970129042 is a deficient number, since it is larger than the sum of its proper divisors (27569726458).

49970129042 is a wasteful number, since it uses less digits than its factorization.

49970129042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861553980.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 49970129042 in words is "forty-nine billion, nine hundred seventy million, one hundred twenty-nine thousand, forty-two".