964619849 has 2 divisors, whose sum is σ = 964619850. Its totient is φ = 964619848.

The previous prime is 964619753. The next prime is 964619879. The reversal of 964619849 is 948916469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 887742025 + 76877824 = 29795^2 + 8768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-964619849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 964619794 and 964619803.

It is not a weakly prime, because it can be changed into another prime (964619879) 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, 482309924 + 482309925.

It is an arithmetic number, because the mean of its divisors is an integer number (482309925).

Almost surely, 2^964619849 is an apocalyptic number.

It is an amenable number.

964619849 is a deficient number, since it is larger than the sum of its proper divisors (1).

964619849 is an equidigital number, since it uses as much as digits as its factorization.

964619849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 56.

The square root of 964619849 is about 31058.3297844556. The cubic root of 964619849 is about 988.0647324506.

The spelling of 964619849 in words is "nine hundred sixty-four million, six hundred nineteen thousand, eight hundred forty-nine".