981745411 has 4 divisors (see below), whose sum is σ = 983363392. Its totient is φ = 980127432.

The previous prime is 981745361. The next prime is 981745421. The reversal of 981745411 is 114547189.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 981745411 - 2⁷ = 981745283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981745421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808080 + ... + 809293.

It is an arithmetic number, because the mean of its divisors is an integer number (245840848).

Almost surely, 2^981745411 is an apocalyptic number.

981745411 is a deficient number, since it is larger than the sum of its proper divisors (1617981).

981745411 is a wasteful number, since it uses less digits than its factorization.

981745411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617980.

The product of its digits is 40320, while the sum is 40.

The square root of 981745411 is about 31332.8168379417. The cubic root of 981745411 is about 993.8777313182.

The spelling of 981745411 in words is "nine hundred eighty-one million, seven hundred forty-five thousand, four hundred eleven".