79643443353 has 4 divisors (see below), whose sum is σ = 106191257808. Its totient is φ = 53095628900.

The previous prime is 79643443351. The next prime is 79643443423. The reversal of 79643443353 is 35334434697.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79643443353 - 2¹ = 79643443351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79643443296 and 79643443305.

It is not an unprimeable number, because it can be changed into a prime (79643443351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13273907223 + ... + 13273907228.

It is an arithmetic number, because the mean of its divisors is an integer number (26547814452).

Almost surely, 2^79643443353 is an apocalyptic number.

It is an amenable number.

79643443353 is a deficient number, since it is larger than the sum of its proper divisors (26547814455).

79643443353 is a wasteful number, since it uses less digits than its factorization.

79643443353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26547814454.

The product of its digits is 9797760, while the sum is 51.

It can be divided in two parts, 7964344 and 3353, that added together give a palindrome (7967697).

The spelling of 79643443353 in words is "seventy-nine billion, six hundred forty-three million, four hundred forty-three thousand, three hundred fifty-three".