983431781045 has 16 divisors (see below), whose sum is σ = 1348722830208. Its totient is φ = 674345027520.

The previous prime is 983431781023. The next prime is 983431781047. The reversal of 983431781045 is 540187134389.

It is not a de Polignac number, because 983431781045 - 2⁸ = 983431780789 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 (983431781047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4743455 + ... + 4946435.

It is an arithmetic number, because the mean of its divisors is an integer number (84295176888).

Almost surely, 2^983431781045 is an apocalyptic number.

It is an amenable number.

983431781045 is a deficient number, since it is larger than the sum of its proper divisors (365291049163).

983431781045 is a wasteful number, since it uses less digits than its factorization.

983431781045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341420.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 983431781045 in words is "nine hundred eighty-three billion, four hundred thirty-one million, seven hundred eighty-one thousand, forty-five".