10333333421 has 2 divisors, whose sum is σ = 10333333422. Its totient is φ = 10333333420.

The previous prime is 10333333391. The next prime is 10333333427. The reversal of 10333333421 is 12433333301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9516002500 + 817330921 = 97550^2 + 28589^2 .

It is an emirp because it is prime and its reverse (12433333301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10333333421 - 2⁶ = 10333333357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10333333427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5166666710 + 5166666711.

It is an arithmetic number, because the mean of its divisors is an integer number (5166666711).

Almost surely, 2^10333333421 is an apocalyptic number.

It is an amenable number.

10333333421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10333333421 is an equidigital number, since it uses as much as digits as its factorization.

10333333421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 10333333421 its reverse (12433333301), we get a palindrome (22766666722).

The spelling of 10333333421 in words is "ten billion, three hundred thirty-three million, three hundred thirty-three thousand, four hundred twenty-one".