7645130512 has 20 divisors (see below), whose sum is σ = 14814075276. Its totient is φ = 3822143360.

The previous prime is 7645130509. The next prime is 7645130557. The reversal of 7645130512 is 2150315467.

It can be written as a sum of positive squares in 2 ways, for example, as 2641548816 + 5003581696 = 51396^2 + 70736^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165378 + ... + 206494.

Almost surely, 2^7645130512 is an apocalyptic number.

It is an amenable number.

7645130512 is a deficient number, since it is larger than the sum of its proper divisors (7168944764).

7645130512 is a wasteful number, since it uses less digits than its factorization.

7645130512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52746 (or 52740 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 7645130512 is about 87436.4369813867. The cubic root of 7645130512 is about 1969.9791723085.

Adding to 7645130512 its reverse (2150315467), we get a palindrome (9795445979).

The spelling of 7645130512 in words is "seven billion, six hundred forty-five million, one hundred thirty thousand, five hundred twelve".