2102389653 has 64 divisors (see below), whose sum is σ = 3644211200. Its totient is φ = 1046960640.

The previous prime is 2102389631. The next prime is 2102389661. The reversal of 2102389653 is 3569832012.

It is not a de Polignac number, because 2102389653 - 2⁹ = 2102389141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102389613) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2120988 + ... + 2121978.

It is an arithmetic number, because the mean of its divisors is an integer number (56940800).

Almost surely, 2^2102389653 is an apocalyptic number.

It is an amenable number.

2102389653 is a deficient number, since it is larger than the sum of its proper divisors (1541821547).

2102389653 is a wasteful number, since it uses less digits than its factorization.

2102389653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 2102389653 is about 45851.8227881946. The cubic root of 2102389653 is about 1281.0647173422.

The spelling of 2102389653 in words is "two billion, one hundred two million, three hundred eighty-nine thousand, six hundred fifty-three".