426743342673 has 32 divisors (see below), whose sum is σ = 608281145856.
Its totient is φ = 265175447808.
The previous prime is 426743342657. The next prime is 426743342681. The reversal of 426743342673 is 376243347624.
It is not a de Polignac number, because 426743342673 - 24 = 426743342657 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (426743342603) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20742690 + ... + 20763252.
It is an arithmetic number, because the mean of its divisors is an integer number (19008785808).
Almost surely, 2426743342673 is an apocalyptic number.
It is an amenable number.
426743342673 is a deficient number, since it is larger than the sum of its proper divisors (181537803183).
426743342673 is a wasteful number, since it uses less digits than its factorization.
426743342673 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24493.
The product of its digits is 12192768, while the sum is 51.
The spelling of 426743342673 in words is "four hundred twenty-six billion, seven hundred forty-three million, three hundred forty-two thousand, six hundred seventy-three".