274090093 has 2 divisors, whose sum is σ = 274090094. Its totient is φ = 274090092.

The previous prime is 274090081. The next prime is 274090109. The reversal of 274090093 is 390090472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165971689 + 108118404 = 12883^2 + 10398^2 .

It is a cyclic number.

It is not a de Polignac number, because 274090093 - 2⁹ = 274089581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274090493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137045046 + 137045047.

It is an arithmetic number, because the mean of its divisors is an integer number (137045047).

Almost surely, 2^274090093 is an apocalyptic number.

It is an amenable number.

274090093 is a deficient number, since it is larger than the sum of its proper divisors (1).

274090093 is an equidigital number, since it uses as much as digits as its factorization.

274090093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 274090093 is about 16555.6664921712. Note that the first 3 decimals coincide. The cubic root of 274090093 is about 649.5777083482.

The spelling of 274090093 in words is "two hundred seventy-four million, ninety thousand, ninety-three".