6129542939879 has 16 divisors (see below), whose sum is σ = 6545647530240. Its totient is φ = 5727099168000.

The previous prime is 6129542939791. The next prime is 6129542939881. The reversal of 6129542939879 is 9789392459216.

It is a cyclic number.

It is not a de Polignac number, because 6129542939879 - 2²⁴ = 6129526162663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6129542938879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37839899 + ... + 38001539.

It is an arithmetic number, because the mean of its divisors is an integer number (409102970640).

Almost surely, 2^{6129542939879} is an apocalyptic number.

6129542939879 is a deficient number, since it is larger than the sum of its proper divisors (416104590361).

6129542939879 is a wasteful number, since it uses less digits than its factorization.

6129542939879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203882.

The product of its digits is 529079040, while the sum is 74.

The spelling of 6129542939879 in words is "six trillion, one hundred twenty-nine billion, five hundred forty-two million, nine hundred thirty-nine thousand, eight hundred seventy-nine".