9755240645 has 24 divisors (see below), whose sum is σ = 12447527256. Its totient is φ = 7314060288.

The previous prime is 9755240633. The next prime is 9755240681. The reversal of 9755240645 is 5460425579.

It can be written as a sum of positive squares in 4 ways, for example, as 3565642369 + 6189598276 = 59713^2 + 78674^2 .

It is not a de Polignac number, because 9755240645 - 2¹² = 9755236549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9755240645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6806849 + ... + 6808281.

It is an arithmetic number, because the mean of its divisors is an integer number (518646969).

Almost surely, 2^9755240645 is an apocalyptic number.

It is an amenable number.

9755240645 is a deficient number, since it is larger than the sum of its proper divisors (2692286611).

9755240645 is a wasteful number, since it uses less digits than its factorization.

9755240645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 47.

The square root of 9755240645 is about 98768.6217631895. The cubic root of 9755240645 is about 2136.7120327589.

The spelling of 9755240645 in words is "nine billion, seven hundred fifty-five million, two hundred forty thousand, six hundred forty-five".