3485207129 has 4 divisors (see below), whose sum is σ = 3485349684. Its totient is φ = 3485064576.

The previous prime is 3485207087. The next prime is 3485207161. The reversal of 3485207129 is 9217025843.

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 3082803529 + 402403600 = 55523^2 + 20060^2 .

It is a cyclic number.

It is not a de Polignac number, because 3485207129 - 2²⁰ = 3484158553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3485207029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24272 + ... + 86945.

It is an arithmetic number, because the mean of its divisors is an integer number (871337421).

Almost surely, 2^3485207129 is an apocalyptic number.

It is an amenable number.

3485207129 is a deficient number, since it is larger than the sum of its proper divisors (142555).

3485207129 is a wasteful number, since it uses less digits than its factorization.

3485207129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142554.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 3485207129 is about 59035.6428693717. The cubic root of 3485207129 is about 1516.1524238861.

The spelling of 3485207129 in words is "three billion, four hundred eighty-five million, two hundred seven thousand, one hundred twenty-nine".