2945492038393 has 2 divisors, whose sum is σ = 2945492038394. Its totient is φ = 2945492038392.

The previous prime is 2945492038369. The next prime is 2945492038403. The reversal of 2945492038393 is 3938302945492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2733291773289 + 212200265104 = 1653267^2 + 460652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2945492038393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2945492039393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472746019196 + 1472746019197.

It is an arithmetic number, because the mean of its divisors is an integer number (1472746019197).

Almost surely, 2^{2945492038393} is an apocalyptic number.

It is an amenable number.

2945492038393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2945492038393 is an equidigital number, since it uses as much as digits as its factorization.

2945492038393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50388480, while the sum is 61.

The spelling of 2945492038393 in words is "two trillion, nine hundred forty-five billion, four hundred ninety-two million, thirty-eight thousand, three hundred ninety-three".