426642873343 has 2 divisors, whose sum is σ = 426642873344. Its totient is φ = 426642873342.

The previous prime is 426642873317. The next prime is 426642873347. The reversal of 426642873343 is 343378246624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426642873343 - 2³⁷ = 289203919871 is a prime.

It is a super-2 number, since 2×426642873343² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426642873347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213321436671 + 213321436672.

It is an arithmetic number, because the mean of its divisors is an integer number (213321436672).

Almost surely, 2^426642873343 is an apocalyptic number.

426642873343 is a deficient number, since it is larger than the sum of its proper divisors (1).

426642873343 is an equidigital number, since it uses as much as digits as its factorization.

426642873343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 52.

The spelling of 426642873343 in words is "four hundred twenty-six billion, six hundred forty-two million, eight hundred seventy-three thousand, three hundred forty-three".