42512163583 has 2 divisors, whose sum is σ = 42512163584. Its totient is φ = 42512163582.

The previous prime is 42512163571. The next prime is 42512163641. The reversal of 42512163583 is 38536121524.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42512163583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42512163523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21256081791 + 21256081792.

It is an arithmetic number, because the mean of its divisors is an integer number (21256081792).

Almost surely, 2^42512163583 is an apocalyptic number.

42512163583 is a deficient number, since it is larger than the sum of its proper divisors (1).

42512163583 is an equidigital number, since it uses as much as digits as its factorization.

42512163583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The spelling of 42512163583 in words is "forty-two billion, five hundred twelve million, one hundred sixty-three thousand, five hundred eighty-three".