2190539033 has 4 divisors (see below), whose sum is σ = 2190962868. Its totient is φ = 2190115200.

The previous prime is 2190539023. The next prime is 2190539047. The reversal of 2190539033 is 3309350912.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2011701904 + 178837129 = 44852^2 + 13373^2 .

It is a cyclic number.

It is not a de Polignac number, because 2190539033 - 2²⁸ = 1922103577 is a prime.

It is a super-2 number, since 2×2190539033² = 9596922510193150178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2190538984 and 2190539002.

It is not an unprimeable number, because it can be changed into a prime (2190539023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204068 + ... + 214533.

It is an arithmetic number, because the mean of its divisors is an integer number (547740717).

Almost surely, 2^2190539033 is an apocalyptic number.

It is an amenable number.

2190539033 is a deficient number, since it is larger than the sum of its proper divisors (423835).

2190539033 is an equidigital number, since it uses as much as digits as its factorization.

2190539033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423834.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 2190539033 is about 46803.1946879698. The cubic root of 2190539033 is about 1298.7243962786.

Adding to 2190539033 its reverse (3309350912), we get a palindrome (5499889945).

The spelling of 2190539033 in words is "two billion, one hundred ninety million, five hundred thirty-nine thousand, thirty-three".