2134264661 has 4 divisors (see below), whose sum is σ = 2246594400. Its totient is φ = 2021934924.

The previous prime is 2134264651. The next prime is 2134264663. The reversal of 2134264661 is 1664624312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134264661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134264663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56164841 + ... + 56164878.

It is an arithmetic number, because the mean of its divisors is an integer number (561648600).

Almost surely, 2^2134264661 is an apocalyptic number.

It is an amenable number.

2134264661 is a deficient number, since it is larger than the sum of its proper divisors (112329739).

2134264661 is a wasteful number, since it uses less digits than its factorization.

2134264661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112329738.

The product of its digits is 41472, while the sum is 35.

The square root of 2134264661 is about 46198.1023528023. The cubic root of 2134264661 is about 1287.5064828404.

Adding to 2134264661 its reverse (1664624312), we get a palindrome (3798888973).

The spelling of 2134264661 in words is "two billion, one hundred thirty-four million, two hundred sixty-four thousand, six hundred sixty-one".