426126341012129 has 4 divisors (see below), whose sum is σ = 426126558908820. Its totient is φ = 426126123115440.

The previous prime is 426126341012077. The next prime is 426126341012143. The reversal of 426126341012129 is 921210143621624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49586947240000 + 376539393772129 = 7041800^2 + 19404623^2 .

It is a cyclic number.

It is not a de Polignac number, because 426126341012129 - 2²⁰ = 426126339963553 is a prime.

It is a super-2 number, since 2×426126341012129² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 426126341012129.

It is not an unprimeable number, because it can be changed into a prime (426126341012149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105988082 + ... + 109935099.

It is an arithmetic number, because the mean of its divisors is an integer number (106531639727205).

Almost surely, 2^{426126341012129} is an apocalyptic number.

It is an amenable number.

426126341012129 is a deficient number, since it is larger than the sum of its proper divisors (217896691).

426126341012129 is a wasteful number, since it uses less digits than its factorization.

426126341012129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217896690.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 426126341012129 in words is "four hundred twenty-six trillion, one hundred twenty-six billion, three hundred forty-one million, twelve thousand, one hundred twenty-nine".