7729968261412 has 6 divisors (see below), whose sum is σ = 13527444457478. Its totient is φ = 3864984130704.

The previous prime is 7729968261401. The next prime is 7729968261427. The reversal of 7729968261412 is 2141628699277.

It can be written as a sum of positive squares in only one way, i.e., 7088405708836 + 641562552576 = 2662406^2 + 800976^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966246032673 + ... + 966246032680.

Almost surely, 2^{7729968261412} is an apocalyptic number.

It is an amenable number.

7729968261412 is a deficient number, since it is larger than the sum of its proper divisors (5797476196066).

7729968261412 is a wasteful number, since it uses less digits than its factorization.

7729968261412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932492065357 (or 1932492065355 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 64.

The spelling of 7729968261412 in words is "seven trillion, seven hundred twenty-nine billion, nine hundred sixty-eight million, two hundred sixty-one thousand, four hundred twelve".