1284944073161 has 4 divisors (see below), whose sum is σ = 1468507512192. Its totient is φ = 1101380634132.

The previous prime is 1284944073139. The next prime is 1284944073163. The reversal of 1284944073161 is 1613704494821.

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 1284944073161 - 2¹⁴ = 1284944056777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1284944073163) 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, 91781719505 + ... + 91781719518.

It is an arithmetic number, because the mean of its divisors is an integer number (367126878048).

Almost surely, 2^{1284944073161} is an apocalyptic number.

It is an amenable number.

1284944073161 is a deficient number, since it is larger than the sum of its proper divisors (183563439031).

1284944073161 is an equidigital number, since it uses as much as digits as its factorization.

1284944073161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183563439030.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 1284944073161 in words is "one trillion, two hundred eighty-four billion, nine hundred forty-four million, seventy-three thousand, one hundred sixty-one".