293374427081 has 2 divisors, whose sum is σ = 293374427082. Its totient is φ = 293374427080.

The previous prime is 293374427077. The next prime is 293374427083. The reversal of 293374427081 is 180724473392.

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., 238714325056 + 54660102025 = 488584^2 + 233795^2 .

It is a cyclic number.

It is not a de Polignac number, because 293374427081 - 2² = 293374427077 is a prime.

It is a super-2 number, since 2×293374427081² (a number of 24 digits) contains 22 as substring.

Together with 293374427083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (293374427083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146687213540 + 146687213541.

It is an arithmetic number, because the mean of its divisors is an integer number (146687213541).

Almost surely, 2^293374427081 is an apocalyptic number.

It is an amenable number.

293374427081 is a deficient number, since it is larger than the sum of its proper divisors (1).

293374427081 is an equidigital number, since it uses as much as digits as its factorization.

293374427081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 293374427081 in words is "two hundred ninety-three billion, three hundred seventy-four million, four hundred twenty-seven thousand, eighty-one".