964366993 has 2 divisors, whose sum is σ = 964366994. Its totient is φ = 964366992.

The previous prime is 964366967. The next prime is 964366999. The reversal of 964366993 is 399663469.

964366993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959017024 + 5349969 = 30968^2 + 2313^2 .

It is a cyclic number.

It is not a de Polignac number, because 964366993 - 2⁵ = 964366961 is a prime.

It is not a weakly prime, because it can be changed into another prime (964366999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482183496 + 482183497.

It is an arithmetic number, because the mean of its divisors is an integer number (482183497).

Almost surely, 2^964366993 is an apocalyptic number.

It is an amenable number.

964366993 is a deficient number, since it is larger than the sum of its proper divisors (1).

964366993 is an equidigital number, since it uses as much as digits as its factorization.

964366993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5668704, while the sum is 55.

The square root of 964366993 is about 31054.2588544631. The cubic root of 964366993 is about 987.9783910352.

It can be divided in two parts, 9643 and 66993, that added together give a triangular number (76636 = T₃₉₁).

The spelling of 964366993 in words is "nine hundred sixty-four million, three hundred sixty-six thousand, nine hundred ninety-three".