7645228969 has 9 divisors (see below), whose sum is σ = 8894141661. Its totient is φ = 6552528780.

The previous prime is 7645228937. The next prime is 7645228979. The reversal of 7645228969 is 9698225467.

The square root of 7645228969 is 87437.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 7645228969 - 2⁵ = 7645228937 is a prime.

It is a super-3 number, since 3×7645228969³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7645228979) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 605814 + ... + 618304.

Almost surely, 2^7645228969 is an apocalyptic number.

7645228969 is the 87437-th square number.

7645228969 is the 43719-th centered octagonal number.

It is an amenable number.

7645228969 is a deficient number, since it is larger than the sum of its proper divisors (1248912692).

7645228969 is an frugal number, since it uses more digits than its factorization.

7645228969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24996 (or 12498 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The cubic root of 7645228969 is about 1969.9876289946.

The spelling of 7645228969 in words is "seven billion, six hundred forty-five million, two hundred twenty-eight thousand, nine hundred sixty-nine".