4278257426343 has 4 divisors (see below), whose sum is σ = 5704343235128. Its totient is φ = 2852171617560.

The previous prime is 4278257426309. The next prime is 4278257426347. The reversal of 4278257426343 is 3436247528724.

It is a happy number.

4278257426343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4278257426343 - 2⁸ = 4278257426087 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 (4278257426347) 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, 713042904388 + ... + 713042904393.

It is an arithmetic number, because the mean of its divisors is an integer number (1426085808782).

Almost surely, 2^{4278257426343} is an apocalyptic number.

4278257426343 is a deficient number, since it is larger than the sum of its proper divisors (1426085808785).

4278257426343 is a wasteful number, since it uses less digits than its factorization.

4278257426343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426085808784.

The product of its digits is 54190080, while the sum is 57.

The spelling of 4278257426343 in words is "four trillion, two hundred seventy-eight billion, two hundred fifty-seven million, four hundred twenty-six thousand, three hundred forty-three".