426138630143 has 4 divisors (see below), whose sum is σ = 436048830888. Its totient is φ = 416228429400.

The previous prime is 426138630133. The next prime is 426138630149. The reversal of 426138630143 is 341036831624.

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

It is a cyclic number.

It is not a de Polignac number, because 426138630143 - 2⁶ = 426138630079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426138630143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426138630149) 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 3 ways as a sum of consecutive naturals, for example, 4955100308 + ... + 4955100393.

It is an arithmetic number, because the mean of its divisors is an integer number (109012207722).

Almost surely, 2^426138630143 is an apocalyptic number.

426138630143 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

426138630143 is a deficient number, since it is larger than the sum of its proper divisors (9910200745).

426138630143 is an equidigital number, since it uses as much as digits as its factorization.

426138630143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9910200744.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 426138630143 in words is "four hundred twenty-six billion, one hundred thirty-eight million, six hundred thirty thousand, one hundred forty-three".