2189460438533 has 2 divisors, whose sum is σ = 2189460438534. Its totient is φ = 2189460438532.

The previous prime is 2189460438497. The next prime is 2189460438547. The reversal of 2189460438533 is 3358340649812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1472198808964 + 717261629569 = 1213342^2 + 846913^2 .

It is a cyclic number.

It is not a de Polignac number, because 2189460438533 - 2¹⁸ = 2189460176389 is a prime.

It is a super-2 number, since 2×2189460438533² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2189460431533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094730219266 + 1094730219267.

It is an arithmetic number, because the mean of its divisors is an integer number (1094730219267).

Almost surely, 2^{2189460438533} is an apocalyptic number.

It is an amenable number.

2189460438533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2189460438533 is an equidigital number, since it uses as much as digits as its factorization.

2189460438533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 2189460438533 in words is "two trillion, one hundred eighty-nine billion, four hundred sixty million, four hundred thirty-eight thousand, five hundred thirty-three".