426405435162193 has 2 divisors, whose sum is σ = 426405435162194. Its totient is φ = 426405435162192.

The previous prime is 426405435162173. The next prime is 426405435162197. The reversal of 426405435162193 is 391261534504624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311091706635264 + 115313728526929 = 17637792^2 + 10738423^2 .

It is a cyclic number.

It is not a de Polignac number, because 426405435162193 - 2²⁵ = 426405401607761 is a prime.

It is not a weakly prime, because it can be changed into another prime (426405435162197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213202717581096 + 213202717581097.

It is an arithmetic number, because the mean of its divisors is an integer number (213202717581097).

Almost surely, 2^{426405435162193} is an apocalyptic number.

It is an amenable number.

426405435162193 is a deficient number, since it is larger than the sum of its proper divisors (1).

426405435162193 is an equidigital number, since it uses as much as digits as its factorization.

426405435162193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 426405435162193 in words is "four hundred twenty-six trillion, four hundred five billion, four hundred thirty-five million, one hundred sixty-two thousand, one hundred ninety-three".