42064411 has 2 divisors, whose sum is σ = 42064412. Its totient is φ = 42064410.

The previous prime is 42064391. The next prime is 42064433. The reversal of 42064411 is 11446024.

It is an a-pointer prime, because the next prime (42064433) can be obtained adding 42064411 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42064411 - 2⁷ = 42064283 is a prime.

It is not a weakly prime, because it can be changed into another prime (42064481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21032205 + 21032206.

It is an arithmetic number, because the mean of its divisors is an integer number (21032206).

Almost surely, 2^42064411 is an apocalyptic number.

42064411 is a deficient number, since it is larger than the sum of its proper divisors (1).

42064411 is an equidigital number, since it uses as much as digits as its factorization.

42064411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 42064411 is about 6485.7082111362. The cubic root of 42064411 is about 347.7802676594.

The spelling of 42064411 in words is "forty-two million, sixty-four thousand, four hundred eleven".