7129209723364 has 27 divisors (see below), whose sum is σ = 12506177923491. Its totient is φ = 3556036645560.

The previous prime is 7129209723269. The next prime is 7129209723397. The reversal of 7129209723364 is 4633279029217.

The square root of 7129209723364 is 2670058.

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

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2621995597 + ... + 2621998315.

Almost surely, 2^{7129209723364} is an apocalyptic number.

7129209723364 is the 2670058-th square number.

It is an amenable number.

7129209723364 is a deficient number, since it is larger than the sum of its proper divisors (5376968200127).

7129209723364 is an frugal number, since it uses more digits than its factorization.

7129209723364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 7129209723364 in words is "seven trillion, one hundred twenty-nine billion, two hundred nine million, seven hundred twenty-three thousand, three hundred sixty-four".