2308640663 has 8 divisors (see below), whose sum is σ = 2753161728. Its totient is φ = 1892798424.

The previous prime is 2308640639. The next prime is 2308640683. The reversal of 2308640663 is 3660468032.

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 2308640663 - 2⁸ = 2308640407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2308640603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7169531 + ... + 7169852.

It is an arithmetic number, because the mean of its divisors is an integer number (344145216).

Almost surely, 2^2308640663 is an apocalyptic number.

2308640663 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2308640663 is a deficient number, since it is larger than the sum of its proper divisors (444521065).

2308640663 is a wasteful number, since it uses less digits than its factorization.

2308640663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14339413.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 2308640663 is about 48048.3159226211. The cubic root of 2308640663 is about 1321.6570601642.

The spelling of 2308640663 in words is "two billion, three hundred eight million, six hundred forty thousand, six hundred sixty-three".