4381385246018 has 16 divisors (see below), whose sum is σ = 7213524404256. Its totient is φ = 1979320717440.

The previous prime is 4381385246009. The next prime is 4381385246023. The reversal of 4381385246018 is 8106425831834.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610897871 + ... + 610905042.

It is an arithmetic number, because the mean of its divisors is an integer number (450845275266).

Almost surely, 2^{4381385246018} is an apocalyptic number.

4381385246018 is a deficient number, since it is larger than the sum of its proper divisors (2832139158238).

4381385246018 is a wasteful number, since it uses less digits than its factorization.

4381385246018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221803089.

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 4381385246018 in words is "four trillion, three hundred eighty-one billion, three hundred eighty-five million, two hundred forty-six thousand, eighteen".