2064493997 has 2 divisors, whose sum is σ = 2064493998. Its totient is φ = 2064493996.

The previous prime is 2064493987. The next prime is 2064493999. The reversal of 2064493997 is 7993944602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1249905316 + 814588681 = 35354^2 + 28541^2 .

It is a cyclic number.

It is not a de Polignac number, because 2064493997 - 2⁶ = 2064493933 is a prime.

Together with 2064493999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2064493999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032246998 + 1032246999.

It is an arithmetic number, because the mean of its divisors is an integer number (1032246999).

Almost surely, 2^2064493997 is an apocalyptic number.

It is an amenable number.

2064493997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2064493997 is an equidigital number, since it uses as much as digits as its factorization.

2064493997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The square root of 2064493997 is about 45436.7031924632. The cubic root of 2064493997 is about 1273.3209212643.

The spelling of 2064493997 in words is "two billion, sixty-four million, four hundred ninety-three thousand, nine hundred ninety-seven".