981334411 has 2 divisors, whose sum is σ = 981334412. Its totient is φ = 981334410.

The previous prime is 981334373. The next prime is 981334423. The reversal of 981334411 is 114433189.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-981334411 is a prime.

It is not a weakly prime, because it can be changed into another prime (981334441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490667205 + 490667206.

It is an arithmetic number, because the mean of its divisors is an integer number (490667206).

Almost surely, 2^981334411 is an apocalyptic number.

981334411 is a deficient number, since it is larger than the sum of its proper divisors (1).

981334411 is an equidigital number, since it uses as much as digits as its factorization.

981334411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 981334411 is about 31326.2575326195. The cubic root of 981334411 is about 993.7390189259.

The spelling of 981334411 in words is "nine hundred eighty-one million, three hundred thirty-four thousand, four hundred eleven".