1829396897 has 2 divisors, whose sum is σ = 1829396898. Its totient is φ = 1829396896.

The previous prime is 1829396837. The next prime is 1829396927. The reversal of 1829396897 is 7986939281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1398460816 + 430936081 = 37396^2 + 20759^2 .

It is a cyclic number.

It is not a de Polignac number, because 1829396897 - 2⁸ = 1829396641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1829396827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914698448 + 914698449.

It is an arithmetic number, because the mean of its divisors is an integer number (914698449).

Almost surely, 2^1829396897 is an apocalyptic number.

It is an amenable number.

1829396897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1829396897 is an equidigital number, since it uses as much as digits as its factorization.

1829396897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 62.

The square root of 1829396897 is about 42771.4495545802. The cubic root of 1829396897 is about 1223.0268157671.

The spelling of 1829396897 in words is "one billion, eight hundred twenty-nine million, three hundred ninety-six thousand, eight hundred ninety-seven".