194039011 has 2 divisors, whose sum is σ = 194039012. Its totient is φ = 194039010.

The previous prime is 194038997. The next prime is 194039047. The reversal of 194039011 is 110930491.

It is a happy number.

194039011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194039011 - 2⁵ = 194038979 is a prime.

It is a super-2 number, since 2×194039011² = 75302275579716242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (194039051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97019505 + 97019506.

It is an arithmetic number, because the mean of its divisors is an integer number (97019506).

Almost surely, 2^194039011 is an apocalyptic number.

194039011 is a deficient number, since it is larger than the sum of its proper divisors (1).

194039011 is an equidigital number, since it uses as much as digits as its factorization.

194039011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 194039011 is about 13929.7886200760. The cubic root of 194039011 is about 578.9348375494.

The spelling of 194039011 in words is "one hundred ninety-four million, thirty-nine thousand, eleven".