2185448008387 has 12 divisors (see below), whose sum is σ = 2566937948016. Its totient is φ = 1855054338480.

The previous prime is 2185448008369. The next prime is 2185448008411. The reversal of 2185448008387 is 7838008445812.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2185448008387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2185448008307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216504564 + ... + 216514657.

It is an arithmetic number, because the mean of its divisors is an integer number (213911495668).

Almost surely, 2^{2185448008387} is an apocalyptic number.

2185448008387 is a deficient number, since it is larger than the sum of its proper divisors (381489939629).

2185448008387 is a wasteful number, since it uses less digits than its factorization.

2185448008387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433019338 (or 433019331 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 58.

The spelling of 2185448008387 in words is "two trillion, one hundred eighty-five billion, four hundred forty-eight million, eight thousand, three hundred eighty-seven".