42554113663 has 2 divisors, whose sum is σ = 42554113664. Its totient is φ = 42554113662.

The previous prime is 42554113661. The next prime is 42554113729. The reversal of 42554113663 is 36631145524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42554113663 - 2¹ = 42554113661 is a prime.

Together with 42554113661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42554113661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21277056831 + 21277056832.

It is an arithmetic number, because the mean of its divisors is an integer number (21277056832).

Almost surely, 2^42554113663 is an apocalyptic number.

42554113663 is a deficient number, since it is larger than the sum of its proper divisors (1).

42554113663 is an equidigital number, since it uses as much as digits as its factorization.

42554113663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 40.

The spelling of 42554113663 in words is "forty-two billion, five hundred fifty-four million, one hundred thirteen thousand, six hundred sixty-three".