49970129043 has 4 divisors (see below), whose sum is σ = 66626838728. Its totient is φ = 33313419360.

The previous prime is 49970128997. The next prime is 49970129047. The reversal of 49970129043 is 34092107994.

It is a happy number.

49970129043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 49970129043 - 2³⁰ = 48896387219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49970128983 and 49970129001.

It is not an unprimeable number, because it can be changed into a prime (49970129047) 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, 8328354838 + ... + 8328354843.

It is an arithmetic number, because the mean of its divisors is an integer number (16656709682).

Almost surely, 2^49970129043 is an apocalyptic number.

49970129043 is a deficient number, since it is larger than the sum of its proper divisors (16656709685).

49970129043 is a wasteful number, since it uses less digits than its factorization.

49970129043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16656709684.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 49970129043 in words is "forty-nine billion, nine hundred seventy million, one hundred twenty-nine thousand, forty-three".