2164245533 has 2 divisors, whose sum is σ = 2164245534. Its totient is φ = 2164245532.

The previous prime is 2164245529. The next prime is 2164245623. The reversal of 2164245533 is 3355424612.

2164245533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2162064004 + 2181529 = 46498^2 + 1477^2 .

It is a cyclic number.

It is not a de Polignac number, because 2164245533 - 2² = 2164245529 is a prime.

It is a super-2 number, since 2×2164245533² = 9367917454220908178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2164245493 and 2164245502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2164245133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082122766 + 1082122767.

It is an arithmetic number, because the mean of its divisors is an integer number (1082122767).

Almost surely, 2^2164245533 is an apocalyptic number.

It is an amenable number.

2164245533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164245533 is an equidigital number, since it uses as much as digits as its factorization.

2164245533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 35.

The square root of 2164245533 is about 46521.4523956422. The cubic root of 2164245533 is about 1293.5071785937.

The spelling of 2164245533 in words is "two billion, one hundred sixty-four million, two hundred forty-five thousand, five hundred thirty-three".