7648553969 has 8 divisors (see below), whose sum is σ = 8741833920. Its totient is φ = 6555431376.

The previous prime is 7648553951. The next prime is 7648553993. The reversal of 7648553969 is 9693558467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7648553969 - 2⁸ = 7648553713 is a prime.

It is a super-2 number, since 2×7648553969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7648153969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95762 + ... + 156420.

It is an arithmetic number, because the mean of its divisors is an integer number (1092729240).

Almost surely, 2^7648553969 is an apocalyptic number.

It is an amenable number.

7648553969 is a deficient number, since it is larger than the sum of its proper divisors (1093279951).

7648553969 is a wasteful number, since it uses less digits than its factorization.

7648553969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78679.

The product of its digits is 48988800, while the sum is 62.

The square root of 7648553969 is about 87456.0116229868. The cubic root of 7648553969 is about 1970.2731778659.

The spelling of 7648553969 in words is "seven billion, six hundred forty-eight million, five hundred fifty-three thousand, nine hundred sixty-nine".