4661729245 has 8 divisors (see below), whose sum is σ = 5594957784. Its totient is φ = 3728794944.

The previous prime is 4661729243. The next prime is 4661729257. The reversal of 4661729245 is 5429271664.

4661729245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 319051044 + 4342678201 = 17862^2 + 65899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4661729245 - 2¹ = 4661729243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4661729195 and 4661729204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661729243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37054 + ... + 103423.

It is an arithmetic number, because the mean of its divisors is an integer number (699369723).

Almost surely, 2^4661729245 is an apocalyptic number.

It is an amenable number.

4661729245 is a deficient number, since it is larger than the sum of its proper divisors (933228539).

4661729245 is a wasteful number, since it uses less digits than its factorization.

4661729245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147119.

The product of its digits is 725760, while the sum is 46.

The square root of 4661729245 is about 68276.8573163704. The cubic root of 4661729245 is about 1670.5097521165.

The spelling of 4661729245 in words is "four billion, six hundred sixty-one million, seven hundred twenty-nine thousand, two hundred forty-five".