964216709 has 2 divisors, whose sum is σ = 964216710. Its totient is φ = 964216708.

The previous prime is 964216663. The next prime is 964216717. The reversal of 964216709 is 907612469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 847101025 + 117115684 = 29105^2 + 10822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-964216709 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 964216709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964216739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482108354 + 482108355.

It is an arithmetic number, because the mean of its divisors is an integer number (482108355).

Almost surely, 2^964216709 is an apocalyptic number.

It is an amenable number.

964216709 is a deficient number, since it is larger than the sum of its proper divisors (1).

964216709 is an equidigital number, since it uses as much as digits as its factorization.

964216709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 964216709 is about 31051.8390598689. The cubic root of 964216709 is about 987.9270671931.

The spelling of 964216709 in words is "nine hundred sixty-four million, two hundred sixteen thousand, seven hundred nine".