7568825641 has 4 divisors (see below), whose sum is σ = 8151043012. Its totient is φ = 6986608272.

The previous prime is 7568825633. The next prime is 7568825647. The reversal of 7568825641 is 1465288657.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 395413225 + 7173412416 = 19885^2 + 84696^2 .

It is a cyclic number.

It is not a de Polignac number, because 7568825641 - 2³ = 7568825633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7568825647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291108666 + ... + 291108691.

It is an arithmetic number, because the mean of its divisors is an integer number (2037760753).

Almost surely, 2^7568825641 is an apocalyptic number.

It is an amenable number.

7568825641 is a deficient number, since it is larger than the sum of its proper divisors (582217371).

7568825641 is a wasteful number, since it uses less digits than its factorization.

7568825641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582217370.

The product of its digits is 3225600, while the sum is 52.

The square root of 7568825641 is about 86998.9979310107. The cubic root of 7568825641 is about 1963.4032260631.

The spelling of 7568825641 in words is "seven billion, five hundred sixty-eight million, eight hundred twenty-five thousand, six hundred forty-one".