42413261663 has 2 divisors, whose sum is σ = 42413261664. Its totient is φ = 42413261662.

The previous prime is 42413261647. The next prime is 42413261701. The reversal of 42413261663 is 36616231424.

It is an a-pointer prime, because the next prime (42413261701) can be obtained adding 42413261663 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42413261663 - 2⁴ = 42413261647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42413263663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21206630831 + 21206630832.

It is an arithmetic number, because the mean of its divisors is an integer number (21206630832).

Almost surely, 2^42413261663 is an apocalyptic number.

42413261663 is a deficient number, since it is larger than the sum of its proper divisors (1).

42413261663 is an equidigital number, since it uses as much as digits as its factorization.

42413261663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 38.

The spelling of 42413261663 in words is "forty-two billion, four hundred thirteen million, two hundred sixty-one thousand, six hundred sixty-three".