334890106891 has 2 divisors, whose sum is σ = 334890106892. Its totient is φ = 334890106890.

The previous prime is 334890106849. The next prime is 334890106897. The reversal of 334890106891 is 198601098433.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 334890106891 - 2¹⁹ = 334889582603 is a prime.

It is a super-2 number, since 2×334890106891² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (334890106897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167445053445 + 167445053446.

It is an arithmetic number, because the mean of its divisors is an integer number (167445053446).

Almost surely, 2^334890106891 is an apocalyptic number.

334890106891 is a deficient number, since it is larger than the sum of its proper divisors (1).

334890106891 is an equidigital number, since it uses as much as digits as its factorization.

334890106891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 334890106891 in words is "three hundred thirty-four billion, eight hundred ninety million, one hundred six thousand, eight hundred ninety-one".