42553601677 has 2 divisors, whose sum is σ = 42553601678. Its totient is φ = 42553601676.

The previous prime is 42553601633. The next prime is 42553601737. The reversal of 42553601677 is 77610635524.

42553601677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42522976521 + 30625156 = 206211^2 + 5534^2 .

It is a cyclic number.

It is not a de Polignac number, because 42553601677 - 2¹¹ = 42553599629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42553001677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21276800838 + 21276800839.

It is an arithmetic number, because the mean of its divisors is an integer number (21276800839).

Almost surely, 2^42553601677 is an apocalyptic number.

It is an amenable number.

42553601677 is a deficient number, since it is larger than the sum of its proper divisors (1).

42553601677 is an equidigital number, since it uses as much as digits as its factorization.

42553601677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 42553601677 in words is "forty-two billion, five hundred fifty-three million, six hundred one thousand, six hundred seventy-seven".