791071688242 has 8 divisors (see below), whose sum is σ = 1294480944432. Its totient is φ = 359578040100.

The previous prime is 791071688219. The next prime is 791071688243. The reversal of 791071688242 is 242886170197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (791071688243) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 17978901984 + ... + 17978902027.

It is an arithmetic number, because the mean of its divisors is an integer number (161810118054).

Almost surely, 2^791071688242 is an apocalyptic number.

791071688242 is a deficient number, since it is larger than the sum of its proper divisors (503409256190).

791071688242 is a wasteful number, since it uses less digits than its factorization.

791071688242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35957804024.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 791071688242 in words is "seven hundred ninety-one billion, seventy-one million, six hundred eighty-eight thousand, two hundred forty-two".