4129549991289 has 6 divisors (see below), whose sum is σ = 5964905542986. Its totient is φ = 2753033327520.

The previous prime is 4129549991279. The next prime is 4129549991293. The reversal of 4129549991289 is 9821999459214.

It is a happy number.

4129549991289 is a `hidden beast` number, since 4 + 1 + 2 + 9 + 5 + 499 + 9 + 128 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4125935937600 + 3614053689 = 2031240^2 + 60117^2 .

It is not a de Polignac number, because 4129549991289 - 2⁹ = 4129549990777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4129549991219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229419443952 + ... + 229419443969.

It is an arithmetic number, because the mean of its divisors is an integer number (994150923831).

Almost surely, 2^{4129549991289} is an apocalyptic number.

It is an amenable number.

4129549991289 is a deficient number, since it is larger than the sum of its proper divisors (1835355551697).

4129549991289 is a wasteful number, since it uses less digits than its factorization.

4129549991289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458838887927 (or 458838887924 counting only the distinct ones).

The product of its digits is 151165440, while the sum is 72.

The spelling of 4129549991289 in words is "four trillion, one hundred twenty-nine billion, five hundred forty-nine million, nine hundred ninety-one thousand, two hundred eighty-nine".