7645573650 has 192 divisors, whose sum is σ = 22354569216. Its totient is φ = 1704864000.

The previous prime is 7645573583. The next prime is 7645573651. The reversal of 7645573650 is 563755467.

It is a self number, because there is not a number n which added to its sum of digits gives 7645573650.

It is not an unprimeable number, because it can be changed into a prime (7645573651) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9244537 + ... + 9245363.

It is an arithmetic number, because the mean of its divisors is an integer number (116430048).

Almost surely, 2^7645573650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7645573650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11177284608).

7645573650 is an abundant number, since it is smaller than the sum of its proper divisors (14708995566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7645573650 is a wasteful number, since it uses less digits than its factorization.

7645573650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 48.

The square root of 7645573650 is about 87438.9710026370. The cubic root of 7645573650 is about 1970.0172338242.

The spelling of 7645573650 in words is "seven billion, six hundred forty-five million, five hundred seventy-three thousand, six hundred fifty".