7071718118443 has 4 divisors (see below), whose sum is σ = 7714601583768. Its totient is φ = 6428834653120.

The previous prime is 7071718118383. The next prime is 7071718118489. The reversal of 7071718118443 is 3448118171707.

It is a happy number.

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

It is not a de Polignac number, because 7071718118443 - 2¹³ = 7071718110251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7071718113443) 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, 321441732646 + ... + 321441732667.

It is an arithmetic number, because the mean of its divisors is an integer number (1928650395942).

Almost surely, 2^{7071718118443} is an apocalyptic number.

7071718118443 is a deficient number, since it is larger than the sum of its proper divisors (642883465325).

7071718118443 is a wasteful number, since it uses less digits than its factorization.

7071718118443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642883465324.

The product of its (nonzero) digits is 1053696, while the sum is 52.

The spelling of 7071718118443 in words is "seven trillion, seventy-one billion, seven hundred eighteen million, one hundred eighteen thousand, four hundred forty-three".