4661542864 has 20 divisors (see below), whose sum is σ = 9852806880. Its totient is φ = 2118883040.

The previous prime is 4661542829. The next prime is 4661542877. The reversal of 4661542864 is 4682451664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13242844 + ... + 13243195.

It is an arithmetic number, because the mean of its divisors is an integer number (492640344).

Almost surely, 2^4661542864 is an apocalyptic number.

4661542864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4661542864 is an abundant number, since it is smaller than the sum of its proper divisors (5191264016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4661542864 is a wasteful number, since it uses less digits than its factorization.

4661542864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26486058 (or 26486052 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 46.

The square root of 4661542864 is about 68275.4924112598. The cubic root of 4661542864 is about 1670.4874888882.

The spelling of 4661542864 in words is "four billion, six hundred sixty-one million, five hundred forty-two thousand, eight hundred sixty-four".