4664287861 has 2 divisors, whose sum is σ = 4664287862. Its totient is φ = 4664287860.

The previous prime is 4664287853. The next prime is 4664287871. The reversal of 4664287861 is 1687824664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4066485361 + 597802500 = 63769^2 + 24450^2 .

It is a cyclic number.

It is not a de Polignac number, because 4664287861 - 2³ = 4664287853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4664287799 and 4664287808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4664287871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2332143930 + 2332143931.

It is an arithmetic number, because the mean of its divisors is an integer number (2332143931).

Almost surely, 2^4664287861 is an apocalyptic number.

It is an amenable number.

4664287861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4664287861 is an equidigital number, since it uses as much as digits as its factorization.

4664287861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 52.

The square root of 4664287861 is about 68295.5918123564. The cubic root of 4664287861 is about 1670.8153190726.

The spelling of 4664287861 in words is "four billion, six hundred sixty-four million, two hundred eighty-seven thousand, eight hundred sixty-one".