2162430644 has 24 divisors (see below), whose sum is σ = 4131297408. Its totient is φ = 982203840.

The previous prime is 2162430643. The next prime is 2162430667. The reversal of 2162430644 is 4460342612.

It is a super-2 number, since 2×2162430644² = 9352212580220509472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2162430644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162430643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45344 + ... + 79880.

It is an arithmetic number, because the mean of its divisors is an integer number (172137392).

Almost surely, 2^2162430644 is an apocalyptic number.

It is an amenable number.

2162430644 is a deficient number, since it is larger than the sum of its proper divisors (1968866764).

2162430644 is a wasteful number, since it uses less digits than its factorization.

2162430644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35975 (or 35973 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 2162430644 is about 46501.9423680345. The cubic root of 2162430644 is about 1293.1455085294.

The spelling of 2162430644 in words is "two billion, one hundred sixty-two million, four hundred thirty thousand, six hundred forty-four".