7936204534129 has 3 divisors (see below), whose sum is σ = 7936207351257. Its totient is φ = 7936201717002.

The previous prime is 7936204534109. The next prime is 7936204534183. The reversal of 7936204534129 is 9214354026397.

It is a happy number.

The square root of 7936204534129 is 2817127.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-7936204534129 is a prime.

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 7936204534129.

It is not an unprimeable number, because it can be changed into a prime (7936204534109) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1408564 + ... + 4225690.

It is an arithmetic number, because the mean of its divisors is an integer number (2645402450419).

Almost surely, 2^{7936204534129} is an apocalyptic number.

7936204534129 is the 2817127-th square number.

7936204534129 is the 1408564-th centered octagonal number.

It is an amenable number.

7936204534129 is a deficient number, since it is larger than the sum of its proper divisors (2817128).

7936204534129 is an frugal number, since it uses more digits than its factorization.

7936204534129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634254 (or 2817127 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 7936204534129 in words is "seven trillion, nine hundred thirty-six billion, two hundred four million, five hundred thirty-four thousand, one hundred twenty-nine".