274516993 has 2 divisors, whose sum is σ = 274516994. Its totient is φ = 274516992.

The previous prime is 274516973. The next prime is 274516999. The reversal of 274516993 is 399615472.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251159104 + 23357889 = 15848^2 + 4833^2 .

It is a cyclic number.

It is not a de Polignac number, because 274516993 - 2⁵ = 274516961 is a prime.

It is not a weakly prime, because it can be changed into another prime (274516999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137258496 + 137258497.

It is an arithmetic number, because the mean of its divisors is an integer number (137258497).

Almost surely, 2^274516993 is an apocalyptic number.

It is an amenable number.

274516993 is a deficient number, since it is larger than the sum of its proper divisors (1).

274516993 is an equidigital number, since it uses as much as digits as its factorization.

274516993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 274516993 is about 16568.5543424887. The cubic root of 274516993 is about 649.9147762032.

The spelling of 274516993 in words is "two hundred seventy-four million, five hundred sixteen thousand, nine hundred ninety-three".