274997520293 has 2 divisors, whose sum is σ = 274997520294. Its totient is φ = 274997520292.

The previous prime is 274997520247. The next prime is 274997520299. The reversal of 274997520293 is 392025799472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261373495009 + 13624025284 = 511247^2 + 116722^2 .

It is a cyclic number.

It is not a de Polignac number, because 274997520293 - 2²² = 274993325989 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 (274997520299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137498760146 + 137498760147.

It is an arithmetic number, because the mean of its divisors is an integer number (137498760147).

Almost surely, 2^274997520293 is an apocalyptic number.

It is an amenable number.

274997520293 is a deficient number, since it is larger than the sum of its proper divisors (1).

274997520293 is an equidigital number, since it uses as much as digits as its factorization.

274997520293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17146080, while the sum is 59.

The spelling of 274997520293 in words is "two hundred seventy-four billion, nine hundred ninety-seven million, five hundred twenty thousand, two hundred ninety-three".