426143942207 has 4 divisors (see below), whose sum is σ = 426151993536. Its totient is φ = 426135890880.

The previous prime is 426143942197. The next prime is 426143942227. The reversal of 426143942207 is 702249341624.

It is a happy number.

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 426143942207 - 2¹² = 426143938111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426143942227) 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, 3945743 + ... + 4052304.

It is an arithmetic number, because the mean of its divisors is an integer number (106537998384).

Almost surely, 2^426143942207 is an apocalyptic number.

426143942207 is a deficient number, since it is larger than the sum of its proper divisors (8051329).

426143942207 is an equidigital number, since it uses as much as digits as its factorization.

426143942207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051328.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 426143942207 in words is "four hundred twenty-six billion, one hundred forty-three million, nine hundred forty-two thousand, two hundred seven".