4027018620239 has 4 divisors (see below), whose sum is σ = 4029715888056. Its totient is φ = 4024321352424.

The previous prime is 4027018620221. The next prime is 4027018620259. The reversal of 4027018620239 is 9320268107204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4027018620239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4027018620239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4027018620259) 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, 1348631669 + ... + 1348634654.

It is an arithmetic number, because the mean of its divisors is an integer number (1007428972014).

Almost surely, 2^{4027018620239} is an apocalyptic number.

4027018620239 is a deficient number, since it is larger than the sum of its proper divisors (2697267817).

4027018620239 is a wasteful number, since it uses less digits than its factorization.

4027018620239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697267816.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 4027018620239 in words is "four trillion, twenty-seven billion, eighteen million, six hundred twenty thousand, two hundred thirty-nine".