264016993 has 2 divisors, whose sum is σ = 264016994. Its totient is φ = 264016992.

The previous prime is 264016981. The next prime is 264017029. The reversal of 264016993 is 399610462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263965009 + 51984 = 16247^2 + 228^2 .

It is a cyclic number.

It is not a de Polignac number, because 264016993 - 2⁹ = 264016481 is a prime.

It is not a weakly prime, because it can be changed into another prime (264016693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132008496 + 132008497.

It is an arithmetic number, because the mean of its divisors is an integer number (132008497).

Almost surely, 2^264016993 is an apocalyptic number.

It is an amenable number.

264016993 is a deficient number, since it is larger than the sum of its proper divisors (1).

264016993 is an equidigital number, since it uses as much as digits as its factorization.

264016993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 264016993 is about 16248.5997242839. The cubic root of 264016993 is about 641.5206297521.

The spelling of 264016993 in words is "two hundred sixty-four million, sixteen thousand, nine hundred ninety-three".