4278260318431 has 4 divisors (see below), whose sum is σ = 4667193074664. Its totient is φ = 3889327562200.

The previous prime is 4278260318429. The next prime is 4278260318461. The reversal of 4278260318431 is 1348130628724.

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 4278260318431 - 2¹ = 4278260318429 is a prime.

It is a super-2 number, since 2×4278260318431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278260318461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194466378100 + ... + 194466378121.

It is an arithmetic number, because the mean of its divisors is an integer number (1166798268666).

Almost surely, 2^{4278260318431} is an apocalyptic number.

4278260318431 is a deficient number, since it is larger than the sum of its proper divisors (388932756233).

4278260318431 is a wasteful number, since it uses less digits than its factorization.

4278260318431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388932756232.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 4278260318431 in words is "four trillion, two hundred seventy-eight billion, two hundred sixty million, three hundred eighteen thousand, four hundred thirty-one".