945473593 has 2 divisors, whose sum is σ = 945473594. Its totient is φ = 945473592.

The previous prime is 945473569. The next prime is 945473609. The reversal of 945473593 is 395374549.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 678706704 + 266766889 = 26052^2 + 16333^2 .

It is an emirp because it is prime and its reverse (395374549) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 945473593 - 2⁵ = 945473561 is a prime.

It is not a weakly prime, because it can be changed into another prime (945470593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472736796 + 472736797.

It is an arithmetic number, because the mean of its divisors is an integer number (472736797).

Almost surely, 2^945473593 is an apocalyptic number.

It is an amenable number.

945473593 is a deficient number, since it is larger than the sum of its proper divisors (1).

945473593 is an equidigital number, since it uses as much as digits as its factorization.

945473593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 49.

The square root of 945473593 is about 30748.5543237402. The cubic root of 945473593 is about 981.4837973306.

The spelling of 945473593 in words is "nine hundred forty-five million, four hundred seventy-three thousand, five hundred ninety-three".