10200904643 has 4 divisors (see below), whose sum is σ = 10204546728. Its totient is φ = 10197262560.

The previous prime is 10200904613. The next prime is 10200904687. The reversal of 10200904643 is 34640900201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34640900201 = 197 ⋅175842133.

It is a cyclic number.

It is not a de Polignac number, because 10200904643 - 2⁶ = 10200904579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10200904613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1816838 + ... + 1822443.

It is an arithmetic number, because the mean of its divisors is an integer number (2551136682).

Almost surely, 2^10200904643 is an apocalyptic number.

10200904643 is a deficient number, since it is larger than the sum of its proper divisors (3642085).

10200904643 is an equidigital number, since it uses as much as digits as its factorization.

10200904643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642084.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 10200904643 in words is "ten billion, two hundred million, nine hundred four thousand, six hundred forty-three".