981338411 has 2 divisors, whose sum is σ = 981338412. Its totient is φ = 981338410.

The previous prime is 981338399. The next prime is 981338417. The reversal of 981338411 is 114833189.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-981338411 is a prime.

It is not a weakly prime, because it can be changed into another prime (981338417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490669205 + 490669206.

It is an arithmetic number, because the mean of its divisors is an integer number (490669206).

Almost surely, 2^981338411 is an apocalyptic number.

981338411 is a deficient number, since it is larger than the sum of its proper divisors (1).

981338411 is an equidigital number, since it uses as much as digits as its factorization.

981338411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 981338411 is about 31326.3213767592. The cubic root of 981338411 is about 993.7403691115.

The spelling of 981338411 in words is "nine hundred eighty-one million, three hundred thirty-eight thousand, four hundred eleven".