2301408729 has 9 divisors (see below), whose sum is σ = 3324464949. Its totient is φ = 1534176540.

The previous prime is 2301408691. The next prime is 2301408743. The reversal of 2301408729 is 9278041032.

The square root of 2301408729 is 47973.

It is a perfect power (a square), and thus also a powerful number.

2301408729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2301408729 - 2⁹ = 2301408217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2301408693 and 2301408702.

It is not an unprimeable number, because it can be changed into a prime (2301408229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 135924 + ... + 151914.

Almost surely, 2^2301408729 is an apocalyptic number.

2301408729 is the 47973-rd square number.

2301408729 is the 23987-th centered octagonal number.

It is an amenable number.

2301408729 is a deficient number, since it is larger than the sum of its proper divisors (1023056220).

2301408729 is an frugal number, since it uses more digits than its factorization.

2301408729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31988 (or 15994 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The cubic root of 2301408729 is about 1320.2755640256.

Multiplying 2301408729 by its sum of digits (36), we get a square (82850714244 = 287838²).

The spelling of 2301408729 in words is "two billion, three hundred one million, four hundred eight thousand, seven hundred twenty-nine".