2102050643 has 32 divisors (see below), whose sum is σ = 2675013120. Its totient is φ = 1604252160.

The previous prime is 2102050633. The next prime is 2102050679. The reversal of 2102050643 is 3460502012.

It is not a de Polignac number, because 2102050643 - 2⁴ = 2102050627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102050633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1530305 + ... + 1531677.

It is an arithmetic number, because the mean of its divisors is an integer number (83594160).

Almost surely, 2^2102050643 is an apocalyptic number.

2102050643 is a deficient number, since it is larger than the sum of its proper divisors (572962477).

2102050643 is a wasteful number, since it uses less digits than its factorization.

2102050643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2102050643 is about 45848.1258395586. The cubic root of 2102050643 is about 1280.9958564796.

Adding to 2102050643 its reverse (3460502012), we get a palindrome (5562552655).

The spelling of 2102050643 in words is "two billion, one hundred two million, fifty thousand, six hundred forty-three".