4645616129 has 32 divisors (see below), whose sum is σ = 6150816000. Its totient is φ = 3396925440.

The previous prime is 4645616113. The next prime is 4645616137. The reversal of 4645616129 is 9216165464.

It is a cyclic number.

It is not a de Polignac number, because 4645616129 - 2⁴ = 4645616113 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4645616129.

It is not an unprimeable number, because it can be changed into a prime (4645616179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451757 + ... + 461925.

It is an arithmetic number, because the mean of its divisors is an integer number (192213000).

Almost surely, 2^4645616129 is an apocalyptic number.

It is an amenable number.

4645616129 is a deficient number, since it is larger than the sum of its proper divisors (1505199871).

4645616129 is a wasteful number, since it uses less digits than its factorization.

4645616129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10553.

The product of its digits is 311040, while the sum is 44.

The square root of 4645616129 is about 68158.7568035098. The cubic root of 4645616129 is about 1668.5828427085.

The spelling of 4645616129 in words is "four billion, six hundred forty-five million, six hundred sixteen thousand, one hundred twenty-nine".