274249734989 has 2 divisors, whose sum is σ = 274249734990. Its totient is φ = 274249734988.

The previous prime is 274249734973. The next prime is 274249735027. The reversal of 274249734989 is 989437942472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262622426089 + 11627308900 = 512467^2 + 107830^2 .

It is a cyclic number.

It is not a de Polignac number, because 274249734989 - 2⁴ = 274249734973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274249734929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137124867494 + 137124867495.

It is an arithmetic number, because the mean of its divisors is an integer number (137124867495).

Almost surely, 2^274249734989 is an apocalyptic number.

It is an amenable number.

274249734989 is a deficient number, since it is larger than the sum of its proper divisors (1).

274249734989 is an equidigital number, since it uses as much as digits as its factorization.

274249734989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219469824, while the sum is 68.

The spelling of 274249734989 in words is "two hundred seventy-four billion, two hundred forty-nine million, seven hundred thirty-four thousand, nine hundred eighty-nine".