426345071197 has 2 divisors, whose sum is σ = 426345071198. Its totient is φ = 426345071196.

The previous prime is 426345071167. The next prime is 426345071209. The reversal of 426345071197 is 791170543624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295929472036 + 130415599161 = 543994^2 + 361131^2 .

It is a cyclic number.

It is not a de Polignac number, because 426345071197 - 2⁷ = 426345071069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426345071197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426345071107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213172535598 + 213172535599.

It is an arithmetic number, because the mean of its divisors is an integer number (213172535599).

Almost surely, 2^426345071197 is an apocalyptic number.

It is an amenable number.

426345071197 is a deficient number, since it is larger than the sum of its proper divisors (1).

426345071197 is an equidigital number, since it uses as much as digits as its factorization.

426345071197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 426345071197 in words is "four hundred twenty-six billion, three hundred forty-five million, seventy-one thousand, one hundred ninety-seven".