422651403613 has 2 divisors, whose sum is σ = 422651403614. Its totient is φ = 422651403612.

The previous prime is 422651403571. The next prime is 422651403619. The reversal of 422651403613 is 316304156224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300170302884 + 122481100729 = 547878^2 + 349973^2 .

It is a cyclic number.

It is not a de Polignac number, because 422651403613 - 2⁹ = 422651403101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422651403619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211325701806 + 211325701807.

It is an arithmetic number, because the mean of its divisors is an integer number (211325701807).

Almost surely, 2^422651403613 is an apocalyptic number.

It is an amenable number.

422651403613 is a deficient number, since it is larger than the sum of its proper divisors (1).

422651403613 is an equidigital number, since it uses as much as digits as its factorization.

422651403613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 422651403613 its reverse (316304156224), we get a palindrome (738955559837).

The spelling of 422651403613 in words is "four hundred twenty-two billion, six hundred fifty-one million, four hundred three thousand, six hundred thirteen".