3709454729 has 4 divisors (see below), whose sum is σ = 3742281876. Its totient is φ = 3676627584.

The previous prime is 3709454719. The next prime is 3709454731. The reversal of 3709454729 is 9274549073.

3709454729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 777015625 + 2932439104 = 27875^2 + 54152^2 .

It is a cyclic number.

It is not a de Polignac number, because 3709454729 - 2⁸ = 3709454473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3709454719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16413404 + ... + 16413629.

It is an arithmetic number, because the mean of its divisors is an integer number (935570469).

Almost surely, 2^3709454729 is an apocalyptic number.

It is an amenable number.

3709454729 is a deficient number, since it is larger than the sum of its proper divisors (32827147).

3709454729 is a wasteful number, since it uses less digits than its factorization.

3709454729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32827146.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 3709454729 is about 60905.2931115186. The cubic root of 3709454729 is about 1547.9966805754.

The spelling of 3709454729 in words is "three billion, seven hundred nine million, four hundred fifty-four thousand, seven hundred twenty-nine".