422437403932309 has 2 divisors, whose sum is σ = 422437403932310. Its totient is φ = 422437403932308.

The previous prime is 422437403932259. The next prime is 422437403932339. The reversal of 422437403932309 is 903239304734224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384528176172100 + 37909227760209 = 19609390^2 + 6157047^2 .

It is a cyclic number.

It is not a de Polignac number, because 422437403932309 - 2¹¹ = 422437403930261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422437403932309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422437403932339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211218701966154 + 211218701966155.

It is an arithmetic number, because the mean of its divisors is an integer number (211218701966155).

Almost surely, 2^{422437403932309} is an apocalyptic number.

It is an amenable number.

422437403932309 is a deficient number, since it is larger than the sum of its proper divisors (1).

422437403932309 is an equidigital number, since it uses as much as digits as its factorization.

422437403932309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 55.

The spelling of 422437403932309 in words is "four hundred twenty-two trillion, four hundred thirty-seven billion, four hundred three million, nine hundred thirty-two thousand, three hundred nine".