2533343921 has 2 divisors, whose sum is σ = 2533343922. Its totient is φ = 2533343920.

The previous prime is 2533343909. The next prime is 2533343933. The reversal of 2533343921 is 1293433352.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2533343909) and next prime (2533343933).

It can be written as a sum of positive squares in only one way, i.e., 2147024896 + 386319025 = 46336^2 + 19655^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533343921 - 2²² = 2529149617 is a prime.

It is not a weakly prime, because it can be changed into another prime (2533343521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266671960 + 1266671961.

It is an arithmetic number, because the mean of its divisors is an integer number (1266671961).

Almost surely, 2^2533343921 is an apocalyptic number.

It is an amenable number.

2533343921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2533343921 is an equidigital number, since it uses as much as digits as its factorization.

2533343921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 35.

The square root of 2533343921 is about 50332.3347461649. The cubic root of 2533343921 is about 1363.2161343303.

The spelling of 2533343921 in words is "two billion, five hundred thirty-three million, three hundred forty-three thousand, nine hundred twenty-one".