2122689464 has 16 divisors (see below), whose sum is σ = 4548620400. Its totient is φ = 909724032.

The previous prime is 2122689431. The next prime is 2122689467. The reversal of 2122689464 is 4649862212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122689467) 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, 18952529 + ... + 18952640.

It is an arithmetic number, because the mean of its divisors is an integer number (284288775).

Almost surely, 2^2122689464 is an apocalyptic number.

It is an amenable number.

2122689464 is an abundant number, since it is smaller than the sum of its proper divisors (2425930936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122689464 is a wasteful number, since it uses less digits than its factorization.

2122689464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37905182 (or 37905178 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 2122689464 is about 46072.6541887919. The cubic root of 2122689464 is about 1285.1746625263.

The spelling of 2122689464 in words is "two billion, one hundred twenty-two million, six hundred eighty-nine thousand, four hundred sixty-four".