561672783983 has 2 divisors, whose sum is σ = 561672783984. Its totient is φ = 561672783982.

The previous prime is 561672783901. The next prime is 561672784009. The reversal of 561672783983 is 389387276165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561672783983 - 2¹⁰ = 561672782959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561672783283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280836391991 + 280836391992.

It is an arithmetic number, because the mean of its divisors is an integer number (280836391992).

Almost surely, 2^561672783983 is an apocalyptic number.

561672783983 is a deficient number, since it is larger than the sum of its proper divisors (1).

561672783983 is an equidigital number, since it uses as much as digits as its factorization.

561672783983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91445760, while the sum is 65.

The spelling of 561672783983 in words is "five hundred sixty-one billion, six hundred seventy-two million, seven hundred eighty-three thousand, nine hundred eighty-three".