42605156567 has 2 divisors, whose sum is σ = 42605156568. Its totient is φ = 42605156566.

The previous prime is 42605156563. The next prime is 42605156617. The reversal of 42605156567 is 76565150624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42605156567 - 2² = 42605156563 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42605156563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21302578283 + 21302578284.

It is an arithmetic number, because the mean of its divisors is an integer number (21302578284).

Almost surely, 2^42605156567 is an apocalyptic number.

42605156567 is a deficient number, since it is larger than the sum of its proper divisors (1).

42605156567 is an equidigital number, since it uses as much as digits as its factorization.

42605156567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 42605156567 in words is "forty-two billion, six hundred five million, one hundred fifty-six thousand, five hundred sixty-seven".