273028290989 has 2 divisors, whose sum is σ = 273028290990. Its totient is φ = 273028290988.

The previous prime is 273028290971. The next prime is 273028291031. The reversal of 273028290989 is 989092820372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147771048100 + 125257242889 = 384410^2 + 353917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273028290989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273028290949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136514145494 + 136514145495.

It is an arithmetic number, because the mean of its divisors is an integer number (136514145495).

Almost surely, 2^273028290989 is an apocalyptic number.

It is an amenable number.

273028290989 is a deficient number, since it is larger than the sum of its proper divisors (1).

273028290989 is an equidigital number, since it uses as much as digits as its factorization.

273028290989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 273028290989 in words is "two hundred seventy-three billion, twenty-eight million, two hundred ninety thousand, nine hundred eighty-nine".