274186808149 has 2 divisors, whose sum is σ = 274186808150. Its totient is φ = 274186808148.

The previous prime is 274186808143. The next prime is 274186808171. The reversal of 274186808149 is 941808681472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272891312100 + 1295496049 = 522390^2 + 35993^2 .

It is a cyclic number.

It is not a de Polignac number, because 274186808149 - 2²⁹ = 273649937237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274186808093 and 274186808102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274186808143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137093404074 + 137093404075.

It is an arithmetic number, because the mean of its divisors is an integer number (137093404075).

Almost surely, 2^274186808149 is an apocalyptic number.

It is an amenable number.

274186808149 is a deficient number, since it is larger than the sum of its proper divisors (1).

274186808149 is an equidigital number, since it uses as much as digits as its factorization.

274186808149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 58.

The spelling of 274186808149 in words is "two hundred seventy-four billion, one hundred eighty-six million, eight hundred eight thousand, one hundred forty-nine".