42684011 has 2 divisors, whose sum is σ = 42684012. Its totient is φ = 42684010.

The previous prime is 42683999. The next prime is 42684017. The reversal of 42684011 is 11048624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42684011 - 2²² = 38489707 is a prime.

It is a super-3 number, since 3×42684011³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42684017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21342005 + 21342006.

It is an arithmetic number, because the mean of its divisors is an integer number (21342006).

Almost surely, 2^42684011 is an apocalyptic number.

42684011 is a deficient number, since it is larger than the sum of its proper divisors (1).

42684011 is an equidigital number, since it uses as much as digits as its factorization.

42684011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 42684011 is about 6533.3001614804. The cubic root of 42684011 is about 349.4795284512.

The spelling of 42684011 in words is "forty-two million, six hundred eighty-four thousand, eleven".