4661806959 has 16 divisors (see below), whose sum is σ = 7269875200. Its totient is φ = 2944298808.

The previous prime is 4661806951. The next prime is 4661806991. The reversal of 4661806959 is 9596081664.

It is a happy number.

It is not a de Polignac number, because 4661806959 - 2³ = 4661806951 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 (4661806951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4543159 + ... + 4544184.

It is an arithmetic number, because the mean of its divisors is an integer number (454367200).

Almost surely, 2^4661806959 is an apocalyptic number.

4661806959 is a deficient number, since it is larger than the sum of its proper divisors (2608068241).

4661806959 is a wasteful number, since it uses less digits than its factorization.

4661806959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9087371 (or 9087365 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 4661806959 is about 68277.4264233795. The cubic root of 4661806959 is about 1670.5190348859.

The spelling of 4661806959 in words is "four billion, six hundred sixty-one million, eight hundred six thousand, nine hundred fifty-nine".