42593644783 has 2 divisors, whose sum is σ = 42593644784. Its totient is φ = 42593644782.

The previous prime is 42593644741. The next prime is 42593644843. The reversal of 42593644783 is 38744639524.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42593644783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42593644283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21296822391 + 21296822392.

It is an arithmetic number, because the mean of its divisors is an integer number (21296822392).

Almost surely, 2^42593644783 is an apocalyptic number.

42593644783 is a deficient number, since it is larger than the sum of its proper divisors (1).

42593644783 is an equidigital number, since it uses as much as digits as its factorization.

42593644783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 55.

The spelling of 42593644783 in words is "forty-two billion, five hundred ninety-three million, six hundred forty-four thousand, seven hundred eighty-three".