7941493657943 has 8 divisors (see below), whose sum is σ = 8144396605440. Its totient is φ = 7740004668760.

The previous prime is 7941493657931. The next prime is 7941493658009. The reversal of 7941493657943 is 3497563941497.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7941493657943 - 2⁶ = 7941493657879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7941493657243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353478203 + ... + 353500668.

It is an arithmetic number, because the mean of its divisors is an integer number (1018049575680).

Almost surely, 2^{7941493657943} is an apocalyptic number.

7941493657943 is a deficient number, since it is larger than the sum of its proper divisors (202902947497).

7941493657943 is a wasteful number, since it uses less digits than its factorization.

7941493657943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706979157.

The product of its digits is 617258880, while the sum is 71.

The spelling of 7941493657943 in words is "seven trillion, nine hundred forty-one billion, four hundred ninety-three million, six hundred fifty-seven thousand, nine hundred forty-three".