42630011 has 2 divisors, whose sum is σ = 42630012. Its totient is φ = 42630010.

The previous prime is 42629989. The next prime is 42630019. The reversal of 42630011 is 11003624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42630011 - 2⁶ = 42629947 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42630019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21315005 + 21315006.

It is an arithmetic number, because the mean of its divisors is an integer number (21315006).

Almost surely, 2^42630011 is an apocalyptic number.

42630011 is a deficient number, since it is larger than the sum of its proper divisors (1).

42630011 is an equidigital number, since it uses as much as digits as its factorization.

42630011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 42630011 is about 6529.1661795363. The cubic root of 42630011 is about 349.3320894919.

Adding to 42630011 its reverse (11003624), we get a palindrome (53633635).

The spelling of 42630011 in words is "forty-two million, six hundred thirty thousand, eleven".