79103296642 has 4 divisors (see below), whose sum is σ = 118654944966. Its totient is φ = 39551648320.

The previous prime is 79103296583. The next prime is 79103296651. The reversal of 79103296642 is 24669230197.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75751002441 + 3352294201 = 275229^2 + 57899^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19775824159 + ... + 19775824162.

Almost surely, 2^79103296642 is an apocalyptic number.

79103296642 is a deficient number, since it is larger than the sum of its proper divisors (39551648324).

79103296642 is a wasteful number, since it uses less digits than its factorization.

79103296642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39551648323.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 79103296642 in words is "seventy-nine billion, one hundred three million, two hundred ninety-six thousand, six hundred forty-two".