27093509293 has 2 divisors, whose sum is σ = 27093509294. Its totient is φ = 27093509292.

The previous prime is 27093509281. The next prime is 27093509321. The reversal of 27093509293 is 39290539072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22188187849 + 4905321444 = 148957^2 + 70038^2 .

It is a cyclic number.

It is not a de Polignac number, because 27093509293 - 2²¹ = 27091412141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27093509213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13546754646 + 13546754647.

It is an arithmetic number, because the mean of its divisors is an integer number (13546754647).

Almost surely, 2^27093509293 is an apocalyptic number.

It is an amenable number.

27093509293 is a deficient number, since it is larger than the sum of its proper divisors (1).

27093509293 is an equidigital number, since it uses as much as digits as its factorization.

27093509293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 918540, while the sum is 49.

The spelling of 27093509293 in words is "twenty-seven billion, ninety-three million, five hundred nine thousand, two hundred ninety-three".