7318539194474 has 32 divisors (see below), whose sum is σ = 11362275207360. Its totient is φ = 3533092117632.

The previous prime is 7318539194437. The next prime is 7318539194479. The reversal of 7318539194474 is 4744919358137.

It is a super-2 number, since 2×7318539194474² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7318539194474.

It is not an unprimeable number, because it can be changed into a prime (7318539194479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29781812 + ... + 30026544.

It is an arithmetic number, because the mean of its divisors is an integer number (355071100230).

Almost surely, 2^{7318539194474} is an apocalyptic number.

7318539194474 is a deficient number, since it is larger than the sum of its proper divisors (4043736012886).

7318539194474 is a wasteful number, since it uses less digits than its factorization.

7318539194474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248774.

The product of its digits is 91445760, while the sum is 65.

The spelling of 7318539194474 in words is "seven trillion, three hundred eighteen billion, five hundred thirty-nine million, one hundred ninety-four thousand, four hundred seventy-four".