264100493 has 2 divisors, whose sum is σ = 264100494. Its totient is φ = 264100492.

The previous prime is 264100489. The next prime is 264100519. The reversal of 264100493 is 394001462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233386729 + 30713764 = 15277^2 + 5542^2 .

It is a cyclic number.

It is not a de Polignac number, because 264100493 - 2² = 264100489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264100483) 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, 132050246 + 132050247.

It is an arithmetic number, because the mean of its divisors is an integer number (132050247).

Almost surely, 2^264100493 is an apocalyptic number.

It is an amenable number.

264100493 is a deficient number, since it is larger than the sum of its proper divisors (1).

264100493 is an equidigital number, since it uses as much as digits as its factorization.

264100493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 264100493 is about 16251.1689733385. The cubic root of 264100493 is about 641.5882533367.

The spelling of 264100493 in words is "two hundred sixty-four million, one hundred thousand, four hundred ninety-three".