622434478013 has 2 divisors, whose sum is σ = 622434478014. Its totient is φ = 622434478012.

The previous prime is 622434478009. The next prime is 622434478091. The reversal of 622434478013 is 310874434226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 457466907769 + 164967570244 = 676363^2 + 406162^2 .

It is a cyclic number.

It is not a de Polignac number, because 622434478013 - 2² = 622434478009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622434178013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311217239006 + 311217239007.

It is an arithmetic number, because the mean of its divisors is an integer number (311217239007).

Almost surely, 2^622434478013 is an apocalyptic number.

It is an amenable number.

622434478013 is a deficient number, since it is larger than the sum of its proper divisors (1).

622434478013 is an equidigital number, since it uses as much as digits as its factorization.

622434478013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 622434478013 in words is "six hundred twenty-two billion, four hundred thirty-four million, four hundred seventy-eight thousand, thirteen".