42003342653 has 2 divisors, whose sum is σ = 42003342654. Its totient is φ = 42003342652.

The previous prime is 42003342581. The next prime is 42003342677. The reversal of 42003342653 is 35624330024.

42003342653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34760992249 + 7242350404 = 186443^2 + 85102^2 .

It is a cyclic number.

It is not a de Polignac number, because 42003342653 - 2⁸ = 42003342397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42003345653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001671326 + 21001671327.

It is an arithmetic number, because the mean of its divisors is an integer number (21001671327).

Almost surely, 2^42003342653 is an apocalyptic number.

It is an amenable number.

42003342653 is a deficient number, since it is larger than the sum of its proper divisors (1).

42003342653 is an equidigital number, since it uses as much as digits as its factorization.

42003342653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 42003342653 its reverse (35624330024), we get a palindrome (77627672677).

The spelling of 42003342653 in words is "forty-two billion, three million, three hundred forty-two thousand, six hundred fifty-three".