981418741 has 2 divisors, whose sum is σ = 981418742. Its totient is φ = 981418740.

The previous prime is 981418727. The next prime is 981418759. The reversal of 981418741 is 147814189.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 975312900 + 6105841 = 31230^2 + 2471^2 .

It is a cyclic number.

It is not a de Polignac number, because 981418741 - 2¹⁵ = 981385973 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (981488741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490709370 + 490709371.

It is an arithmetic number, because the mean of its divisors is an integer number (490709371).

Almost surely, 2^981418741 is an apocalyptic number.

It is an amenable number.

981418741 is a deficient number, since it is larger than the sum of its proper divisors (1).

981418741 is an equidigital number, since it uses as much as digits as its factorization.

981418741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 43.

The square root of 981418741 is about 31327.6034991507. The cubic root of 981418741 is about 993.7674834365.

The spelling of 981418741 in words is "nine hundred eighty-one million, four hundred eighteen thousand, seven hundred forty-one".