426661050013357 has 2 divisors, whose sum is σ = 426661050013358. Its totient is φ = 426661050013356.

The previous prime is 426661050013351. The next prime is 426661050013421. The reversal of 426661050013357 is 753310050166624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306058614909961 + 120602435103396 = 17494531^2 + 10981914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426661050013357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426661050013357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426661050013351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213330525006678 + 213330525006679.

It is an arithmetic number, because the mean of its divisors is an integer number (213330525006679).

Almost surely, 2^{426661050013357} is an apocalyptic number.

It is an amenable number.

426661050013357 is a deficient number, since it is larger than the sum of its proper divisors (1).

426661050013357 is an equidigital number, since it uses as much as digits as its factorization.

426661050013357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 426661050013357 in words is "four hundred twenty-six trillion, six hundred sixty-one billion, fifty million, thirteen thousand, three hundred fifty-seven".