7357985318 has 4 divisors (see below), whose sum is σ = 11036977980. Its totient is φ = 3678992658.

The previous prime is 7357985317. The next prime is 7357985329. The reversal of 7357985318 is 8135897537.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8135897537 = 10273 ⋅791969.

It is a super-2 number, since 2×7357985318² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7357985317) 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 as a sum of consecutive naturals, namely, 1839496328 + ... + 1839496331.

It is an arithmetic number, because the mean of its divisors is an integer number (2759244495).

Almost surely, 2^7357985318 is an apocalyptic number.

7357985318 is a deficient number, since it is larger than the sum of its proper divisors (3678992662).

7357985318 is a wasteful number, since it uses less digits than its factorization.

7357985318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678992661.

The product of its digits is 6350400, while the sum is 56.

The square root of 7357985318 is about 85778.6996753856. The cubic root of 7357985318 is about 1945.0001491751. Note that the first 3 decimals are identical.

The spelling of 7357985318 in words is "seven billion, three hundred fifty-seven million, nine hundred eighty-five thousand, three hundred eighteen".