964545493 has 2 divisors, whose sum is σ = 964545494. Its totient is φ = 964545492.

The previous prime is 964545451. The next prime is 964545509. The reversal of 964545493 is 394545469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 634687249 + 329858244 = 25193^2 + 18162^2 .

It is a cyclic number.

It is not a de Polignac number, because 964545493 - 2⁹ = 964544981 is a prime.

It is a super-2 number, since 2×964545493² = 1860696016133226098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964545403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482272746 + 482272747.

It is an arithmetic number, because the mean of its divisors is an integer number (482272747).

Almost surely, 2^964545493 is an apocalyptic number.

It is an amenable number.

964545493 is a deficient number, since it is larger than the sum of its proper divisors (1).

964545493 is an equidigital number, since it uses as much as digits as its factorization.

964545493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 49.

The square root of 964545493 is about 31057.1327234180. The cubic root of 964545493 is about 988.0393440626.

The spelling of 964545493 in words is "nine hundred sixty-four million, five hundred forty-five thousand, four hundred ninety-three".