426194461249 has 2 divisors, whose sum is σ = 426194461250. Its totient is φ = 426194461248.

The previous prime is 426194461247. The next prime is 426194461309. The reversal of 426194461249 is 942164491624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327563918224 + 98630543025 = 572332^2 + 314055^2 .

It is a cyclic number.

It is not a de Polignac number, because 426194461249 - 2¹ = 426194461247 is a prime.

Together with 426194461247, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 426194461196 and 426194461205.

It is not a weakly prime, because it can be changed into another prime (426194461247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213097230624 + 213097230625.

It is an arithmetic number, because the mean of its divisors is an integer number (213097230625).

Almost surely, 2^426194461249 is an apocalyptic number.

It is an amenable number.

426194461249 is a deficient number, since it is larger than the sum of its proper divisors (1).

426194461249 is an equidigital number, since it uses as much as digits as its factorization.

426194461249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 52.

The spelling of 426194461249 in words is "four hundred twenty-six billion, one hundred ninety-four million, four hundred sixty-one thousand, two hundred forty-nine".