983566041109 has 4 divisors (see below), whose sum is σ = 1006439670016. Its totient is φ = 960692412204.

The previous prime is 983566041089. The next prime is 983566041113. The reversal of 983566041109 is 901140665389.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 901140665389 = 617 ⋅1460519717.

It is a cyclic number.

It is not a de Polignac number, because 983566041109 - 2⁵ = 983566041077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983566041509) 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, 11436814389 + ... + 11436814474.

It is an arithmetic number, because the mean of its divisors is an integer number (251609917504).

Almost surely, 2^983566041109 is an apocalyptic number.

It is an amenable number.

983566041109 is a deficient number, since it is larger than the sum of its proper divisors (22873628907).

983566041109 is a wasteful number, since it uses less digits than its factorization.

983566041109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22873628906.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 983566041109 in words is "nine hundred eighty-three billion, five hundred sixty-six million, forty-one thousand, one hundred nine".