4645680885 has 40 divisors (see below), whose sum is σ = 8332810200. Its totient is φ = 2476210176.

The previous prime is 4645680881. The next prime is 4645680889. The reversal of 4645680885 is 5880865464.

It is an interprime number because it is at equal distance from previous prime (4645680881) and next prime (4645680889).

It can be written as a sum of positive squares in 4 ways, for example, as 82137969 + 4563542916 = 9063^2 + 67554^2 .

It is not a de Polignac number, because 4645680885 - 2² = 4645680881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645680881) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1145341 + ... + 1149389.

It is an arithmetic number, because the mean of its divisors is an integer number (208320255).

Almost surely, 2^4645680885 is an apocalyptic number.

4645680885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4645680885 is a deficient number, since it is larger than the sum of its proper divisors (3687129315).

4645680885 is a wasteful number, since it uses less digits than its factorization.

4645680885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899 (or 6890 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The square root of 4645680885 is about 68159.2318398616. The cubic root of 4645680885 is about 1668.5905955551.

The spelling of 4645680885 in words is "four billion, six hundred forty-five million, six hundred eighty thousand, eight hundred eighty-five".