422863640029 has 2 divisors, whose sum is σ = 422863640030. Its totient is φ = 422863640028.

The previous prime is 422863639967. The next prime is 422863640057. The reversal of 422863640029 is 920046368224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341667137529 + 81196502500 = 584523^2 + 284950^2 .

It is a cyclic number.

It is not a de Polignac number, because 422863640029 - 2⁷ = 422863639901 is a prime.

It is a super-2 number, since 2×422863640029² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422863640929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211431820014 + 211431820015.

It is an arithmetic number, because the mean of its divisors is an integer number (211431820015).

Almost surely, 2^422863640029 is an apocalyptic number.

It is an amenable number.

422863640029 is a deficient number, since it is larger than the sum of its proper divisors (1).

422863640029 is an equidigital number, since it uses as much as digits as its factorization.

422863640029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 422863640029 in words is "four hundred twenty-two billion, eight hundred sixty-three million, six hundred forty thousand, twenty-nine".