964073909 has 2 divisors, whose sum is σ = 964073910. Its totient is φ = 964073908.

The previous prime is 964073897. The next prime is 964073953. The reversal of 964073909 is 909370469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 722426884 + 241647025 = 26878^2 + 15545^2 .

It is a cyclic number.

It is not a de Polignac number, because 964073909 - 2¹⁶ = 964008373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964073809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482036954 + 482036955.

It is an arithmetic number, because the mean of its divisors is an integer number (482036955).

Almost surely, 2^964073909 is an apocalyptic number.

It is an amenable number.

964073909 is a deficient number, since it is larger than the sum of its proper divisors (1).

964073909 is an equidigital number, since it uses as much as digits as its factorization.

964073909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 964073909 is about 31049.5395940101. The cubic root of 964073909 is about 987.8782942879.

The spelling of 964073909 in words is "nine hundred sixty-four million, seventy-three thousand, nine hundred nine".