274169970149 has 2 divisors, whose sum is σ = 274169970150. Its totient is φ = 274169970148.

The previous prime is 274169970121. The next prime is 274169970157. The reversal of 274169970149 is 941079961472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228627422500 + 45542547649 = 478150^2 + 213407^2 .

It is a cyclic number.

It is not a de Polignac number, because 274169970149 - 2⁸ = 274169969893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274169972149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137084985074 + 137084985075.

It is an arithmetic number, because the mean of its divisors is an integer number (137084985075).

Almost surely, 2^274169970149 is an apocalyptic number.

It is an amenable number.

274169970149 is a deficient number, since it is larger than the sum of its proper divisors (1).

274169970149 is an equidigital number, since it uses as much as digits as its factorization.

274169970149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 274169970149 in words is "two hundred seventy-four billion, one hundred sixty-nine million, nine hundred seventy thousand, one hundred forty-nine".