4661726823 has 28 divisors (see below), whose sum is σ = 7527053800. Its totient is φ = 2868749136.

The previous prime is 4661726809. The next prime is 4661726843. The reversal of 4661726823 is 3286271664.

4661726823 is a `hidden beast` number, since 4 + 6 + 617 + 2 + 6 + 8 + 23 = 666.

It is not a de Polignac number, because 4661726823 - 2⁴ = 4661726807 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 (4661726843) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 236473 + ... + 255426.

It is an arithmetic number, because the mean of its divisors is an integer number (268823350).

Almost surely, 2^4661726823 is an apocalyptic number.

4661726823 is a deficient number, since it is larger than the sum of its proper divisors (2865326977).

4661726823 is an equidigital number, since it uses as much as digits as its factorization.

4661726823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491930 (or 491915 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 4661726823 is about 68276.8395797579. The cubic root of 4661726823 is about 1670.5094628122.

The spelling of 4661726823 in words is "four billion, six hundred sixty-one million, seven hundred twenty-six thousand, eight hundred twenty-three".