294489643249 has 2 divisors, whose sum is σ = 294489643250. Its totient is φ = 294489643248.

The previous prime is 294489643199. The next prime is 294489643289. The reversal of 294489643249 is 942346984492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190584633600 + 103905009649 = 436560^2 + 322343^2 .

It is a cyclic number.

It is not a de Polignac number, because 294489643249 - 2²⁷ = 294355425521 is a prime.

It is not a weakly prime, because it can be changed into another prime (294489643289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 147244821624 + 147244821625.

It is an arithmetic number, because the mean of its divisors is an integer number (147244821625).

Almost surely, 2^294489643249 is an apocalyptic number.

It is an amenable number.

294489643249 is a deficient number, since it is larger than the sum of its proper divisors (1).

294489643249 is an equidigital number, since it uses as much as digits as its factorization.

294489643249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107495424, while the sum is 64.

The spelling of 294489643249 in words is "two hundred ninety-four billion, four hundred eighty-nine million, six hundred forty-three thousand, two hundred forty-nine".