1090604897 has 2 divisors, whose sum is σ = 1090604898. Its totient is φ = 1090604896.

The previous prime is 1090604887. The next prime is 1090604939. The reversal of 1090604897 is 7984060901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 566011681 + 524593216 = 23791^2 + 22904^2 .

It is an emirp because it is prime and its reverse (7984060901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1090604897 - 2²⁸ = 822169441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1090604887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545302448 + 545302449.

It is an arithmetic number, because the mean of its divisors is an integer number (545302449).

Almost surely, 2^1090604897 is an apocalyptic number.

It is an amenable number.

1090604897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090604897 is an equidigital number, since it uses as much as digits as its factorization.

1090604897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1090604897 is about 33024.3076687461. The cubic root of 1090604897 is about 1029.3328060422.

The spelling of 1090604897 in words is "one billion, ninety million, six hundred four thousand, eight hundred ninety-seven".