426521162661243 has 8 divisors (see below), whose sum is σ = 612440643821328. Its totient is φ = 262474561637664.

The previous prime is 426521162661241. The next prime is 426521162661263. The reversal of 426521162661243 is 342166261125624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426521162661243 - 2¹ = 426521162661241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426521162661241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5468220034080 + ... + 5468220034157.

It is an arithmetic number, because the mean of its divisors is an integer number (76555080477666).

Almost surely, 2^{426521162661243} is an apocalyptic number.

426521162661243 is a deficient number, since it is larger than the sum of its proper divisors (185919481160085).

426521162661243 is a wasteful number, since it uses less digits than its factorization.

426521162661243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10936440068253.

The product of its digits is 4976640, while the sum is 51.

The spelling of 426521162661243 in words is "four hundred twenty-six trillion, five hundred twenty-one billion, one hundred sixty-two million, six hundred sixty-one thousand, two hundred forty-three".