274605227551 has 2 divisors, whose sum is σ = 274605227552. Its totient is φ = 274605227550.

The previous prime is 274605227521. The next prime is 274605227597. The reversal of 274605227551 is 155722506472.

It is an a-pointer prime, because the next prime (274605227597) can be obtained adding 274605227551 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274605227551 - 2¹⁵ = 274605194783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274605227521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137302613775 + 137302613776.

It is an arithmetic number, because the mean of its divisors is an integer number (137302613776).

Almost surely, 2^274605227551 is an apocalyptic number.

274605227551 is a deficient number, since it is larger than the sum of its proper divisors (1).

274605227551 is an equidigital number, since it uses as much as digits as its factorization.

274605227551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176000, while the sum is 46.

The spelling of 274605227551 in words is "two hundred seventy-four billion, six hundred five million, two hundred twenty-seven thousand, five hundred fifty-one".