294391891961 has 4 divisors (see below), whose sum is σ = 294420559092. Its totient is φ = 294363224832.

The previous prime is 294391891931. The next prime is 294391891987. The reversal of 294391891961 is 169198193492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97571893225 + 196819998736 = 312365^2 + 443644^2 .

It is a cyclic number.

It is not a de Polignac number, because 294391891961 - 2¹⁴ = 294391875577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 294391891894 and 294391891903.

It is not an unprimeable number, because it can be changed into a prime (294391891931) 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, 14318156 + ... + 14338701.

It is an arithmetic number, because the mean of its divisors is an integer number (73605139773).

Almost surely, 2^294391891961 is an apocalyptic number.

It is an amenable number.

294391891961 is a deficient number, since it is larger than the sum of its proper divisors (28667131).

294391891961 is a wasteful number, since it uses less digits than its factorization.

294391891961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28667130.

The product of its digits is 7558272, while the sum is 62.

The spelling of 294391891961 in words is "two hundred ninety-four billion, three hundred ninety-one million, eight hundred ninety-one thousand, nine hundred sixty-one".