2081385603 has 12 divisors (see below), whose sum is σ = 3279759288. Its totient is φ = 1261445760.

The previous prime is 2081385577. The next prime is 2081385613. The reversal of 2081385603 is 3065831802.

It is not a de Polignac number, because 2081385603 - 2⁹ = 2081385091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2081385613) 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, 10511950 + ... + 10512147.

It is an arithmetic number, because the mean of its divisors is an integer number (273313274).

Almost surely, 2^2081385603 is an apocalyptic number.

2081385603 is a deficient number, since it is larger than the sum of its proper divisors (1198373685).

2081385603 is a wasteful number, since it uses less digits than its factorization.

2081385603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21024114 (or 21024111 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2081385603 is about 45622.2051527543. The cubic root of 2081385603 is about 1276.7842461210.

The spelling of 2081385603 in words is "two billion, eighty-one million, three hundred eighty-five thousand, six hundred three".