264100489 has 2 divisors, whose sum is σ = 264100490. Its totient is φ = 264100488.

The previous prime is 264100483. The next prime is 264100493. The reversal of 264100489 is 984001462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253860489 + 10240000 = 15933^2 + 3200^2 .

It is a cyclic number.

It is not a de Polignac number, because 264100489 - 2¹⁵ = 264067721 is a prime.

It is equal to p_14407378 and since 264100489 and 14407378 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (264100483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132050244 + 132050245.

It is an arithmetic number, because the mean of its divisors is an integer number (132050245).

Almost surely, 2^264100489 is an apocalyptic number.

It is an amenable number.

264100489 is a deficient number, since it is larger than the sum of its proper divisors (1).

264100489 is an equidigital number, since it uses as much as digits as its factorization.

264100489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 264100489 is about 16251.1688502704. The cubic root of 264100489 is about 641.5882500976.

The spelling of 264100489 in words is "two hundred sixty-four million, one hundred thousand, four hundred eighty-nine".