274575632393 has 2 divisors, whose sum is σ = 274575632394. Its totient is φ = 274575632392.

The previous prime is 274575632381. The next prime is 274575632399. The reversal of 274575632393 is 393236575472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270491527744 + 4084104649 = 520088^2 + 63907^2 .

It is a cyclic number.

It is not a de Polignac number, because 274575632393 - 2⁸ = 274575632137 is a prime.

It is not a weakly prime, because it can be changed into another prime (274575632399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137287816196 + 137287816197.

It is an arithmetic number, because the mean of its divisors is an integer number (137287816197).

Almost surely, 2^274575632393 is an apocalyptic number.

It is an amenable number.

274575632393 is a deficient number, since it is larger than the sum of its proper divisors (1).

274575632393 is an equidigital number, since it uses as much as digits as its factorization.

274575632393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28576800, while the sum is 56.

The spelling of 274575632393 in words is "two hundred seventy-four billion, five hundred seventy-five million, six hundred thirty-two thousand, three hundred ninety-three".