7646253489 has 48 divisors (see below), whose sum is σ = 13374885888. Its totient is φ = 4109193216.

The previous prime is 7646253473. The next prime is 7646253493. The reversal of 7646253489 is 9843526467.

7646253489 is a `hidden beast` number, since 7 + 6 + 4 + 625 + 3 + 4 + 8 + 9 = 666.

It is not a de Polignac number, because 7646253489 - 2⁴ = 7646253473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7646253499) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2844304 + ... + 2846990.

It is an arithmetic number, because the mean of its divisors is an integer number (278643456).

Almost surely, 2^7646253489 is an apocalyptic number.

It is an amenable number.

7646253489 is a deficient number, since it is larger than the sum of its proper divisors (5728632399).

7646253489 is a wasteful number, since it uses less digits than its factorization.

7646253489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5374 (or 5371 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 7646253489 is about 87442.8584219432. The cubic root of 7646253489 is about 1970.0756229398.

The spelling of 7646253489 in words is "seven billion, six hundred forty-six million, two hundred fifty-three thousand, four hundred eighty-nine".