2102065994 has 24 divisors (see below), whose sum is σ = 3669517728. Its totient is φ = 900485880.

The previous prime is 2102065993. The next prime is 2102066041. The reversal of 2102065994 is 4995602012.

It is not an unprimeable number, because it can be changed into a prime (2102065993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356837 + ... + 362679.

It is an arithmetic number, because the mean of its divisors is an integer number (152896572).

Almost surely, 2^2102065994 is an apocalyptic number.

2102065994 is a deficient number, since it is larger than the sum of its proper divisors (1567451734).

2102065994 is a wasteful number, since it uses less digits than its factorization.

2102065994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9530 (or 9523 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 2102065994 is about 45848.2932506762. The cubic root of 2102065994 is about 1280.9989747869.

The spelling of 2102065994 in words is "two billion, one hundred two million, sixty-five thousand, nine hundred ninety-four".