4621964069 has 4 divisors (see below), whose sum is σ = 4622167020. Its totient is φ = 4621761120.

The previous prime is 4621964051. The next prime is 4621964089. The reversal of 4621964069 is 9604691264.

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 3242733025 + 1379231044 = 56945^2 + 37138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4621964069 is a prime.

It is a super-2 number, since 2×4621964069² = 42725103710254073522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621964089) 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, 62264 + ... + 114545.

It is an arithmetic number, because the mean of its divisors is an integer number (1155541755).

Almost surely, 2^4621964069 is an apocalyptic number.

It is an amenable number.

4621964069 is a deficient number, since it is larger than the sum of its proper divisors (202951).

4621964069 is a wasteful number, since it uses less digits than its factorization.

4621964069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202950.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 4621964069 is about 67985.0282709362. The cubic root of 4621964069 is about 1665.7462912301.

The spelling of 4621964069 in words is "four billion, six hundred twenty-one million, nine hundred sixty-four thousand, sixty-nine".