826488491 has 2 divisors, whose sum is σ = 826488492. Its totient is φ = 826488490.

The previous prime is 826488469. The next prime is 826488517. The reversal of 826488491 is 194884628.

826488491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 826488491 - 2¹⁸ = 826226347 is a prime.

It is not a weakly prime, because it can be changed into another prime (826488401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413244245 + 413244246.

It is an arithmetic number, because the mean of its divisors is an integer number (413244246).

Almost surely, 2^826488491 is an apocalyptic number.

826488491 is a deficient number, since it is larger than the sum of its proper divisors (1).

826488491 is an equidigital number, since it uses as much as digits as its factorization.

826488491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 884736, while the sum is 50.

The square root of 826488491 is about 28748.7128581438. The cubic root of 826488491 is about 938.4524449272.

The spelling of 826488491 in words is "eight hundred twenty-six million, four hundred eighty-eight thousand, four hundred ninety-one".