285301800961 has 4 divisors (see below), whose sum is σ = 285351141312. Its totient is φ = 285252460612.

The previous prime is 285301800899. The next prime is 285301800983. The reversal of 285301800961 is 169008103582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 285301800961 - 2⁹ = 285301800449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285301800991) 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, 24661501 + ... + 24673066.

It is an arithmetic number, because the mean of its divisors is an integer number (71337785328).

It is a Proth number, since it is equal to 272085 ⋅ 2²⁰ + 1 and 272085 < 2²⁰.

Almost surely, 2^285301800961 is an apocalyptic number.

It is an amenable number.

285301800961 is a deficient number, since it is larger than the sum of its proper divisors (49340351).

285301800961 is an equidigital number, since it uses as much as digits as its factorization.

285301800961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49340350.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 285301800961 in words is "two hundred eighty-five billion, three hundred one million, eight hundred thousand, nine hundred sixty-one".